Vocabulary

Active-constructive responding: Demonstrating sincere interest and enthusiasm for the good news of another person.
Adaptation: The fact that after people first react to good or bad events, sometimes in a strong way, their feelings and reactions tend to dampen down over time and they return toward their original level of subjective well-being.
Adherence: In health, it is the ability of a patient to maintain a health behavior prescribed by a physician. This might include taking medication as prescribed, exercising more, or eating less high-fat food.
Adoption: To take in and raise a child of other parents legally as one’s own.
Adoption study: A behavior genetic research method that involves comparison of adopted children to their adoptive and biological parents.
Affect: Feelings that can be described in terms of two dimensions, the dimensions of arousal and valence (Figure 2). For example, high arousal positive states refer to excitement, elation, and enthusiasm. Low arousal positive states refer to calm, peacefulness, and relaxation. Whereas “actual affect” refers to the states that people actually feel, “ideal affect” refers to the states that people ideally want to feel.
Age identity: How old or young people feel compared to their chronological age; after early adulthood, most people feel younger than their chronological age.
Age in place: The trend toward making accommodations to ensure that aging people can stay in their homes and live independently.
Agender: An individual who may have no gender or may describe themselves as having a neutral gender.
Aggression: Any behavior intended to harm another person who does not want to be harmed.
Agreeableness: A core personality trait that includes such dispositional characteristics as being sympathetic, generous, forgiving, and helpful, and behavioral tendencies toward harmonious social relations and likeability.
Altruism: A motivation for helping that has the improvement of another’s welfare as its ultimate goal, with no expectation of any benefits for the helper.
Altruism: A desire to improve the welfare of another person, at a potential cost to the self and without any expectation of reward.
Ambivalent sexism: A concept of gender attitudes that encompasses both positive and negative qualities.
Ambulatory assessment: An overarching term to describe methodologies that assess the behavior, physiology, experience, and environments of humans in naturalistic settings.
Amygdala: A region located deep within the brain in the medial area (toward the center) of the temporal lobes (parallel to the ears). If you could draw a line through your eye sloping toward the back of your head and another line between your two ears, the amygdala would be located at the intersection of these lines. The amygdala is involved in detecting relevant stimuli in our environment and has been implicated in emotional responses.
Amygdala: A brain structure in the limbic system involved in fear reactivity and implicated in the biological basis for social anxiety disorder.
Anomalous face overgeneralization hypothesis: Proposes that the attractiveness halo effect is a by-product of reactions to low fitness. People overgeneralize the adaptive tendency to use low attractiveness as an indicator of negative traits, like low health or intelligence, and mistakenly use higher-than-average attractiveness as an indicator of high health or intelligence.
Anxiety: A state of worry or apprehension about future events or possible danger that usually involves negative thoughts, unpleasant physical sensations, and/or a desire to avoid harm.
Anxious-avoidant: Attachment style that involves suppressing one’s own feelings and desires, and a difficulty depending on others.
Anxious-resistant: Attachment style that is self-critical, insecure, and fearful of rejection.
Arousal: cost–reward model: An egoistic theory proposed by Piliavin et al. (1981) that claims that seeing a person in need leads to the arousal of unpleasant feelings, and observers are motivated to eliminate that aversive state, often by helping the victim. A cost–reward analysis may lead observers to react in ways other than offering direct assistance, including indirect help, reinterpretation of the situation, or fleeing the scene.
Assent: When minor participants are asked to indicate their willingness to participate in a study. This is usually obtained from participants who are at least 7 years old, in addition to parent or guardian consent.
Attachment behavioral system: A motivational system selected over the course of evolution to maintain proximity between a young child and his or her primary attachment figure.
Attachment behaviors: Behaviors and signals that attract the attention of a primary attachment figure and function to prevent separation from that individual or to reestablish proximity to that individual (e.g., crying, clinging).
Attachment figure: Someone who functions as the primary safe haven and secure base for an individual. In childhood, an individual’s attachment figure is often a parent. In adulthood, an individual’s attachment figure is often a romantic partner.
Attachment patterns: (also called “attachment styles” or “attachment orientations”) Individual differences in how securely (vs. insecurely) people think, feel, and behave in attachment relationships.
Attachment theory: Theory that describes the enduring patterns of relationships from birth to death.
Attractiveness halo effect: The tendency to associate attractiveness with a variety of positive traits, such as being more sociable, intelligent, competent, and healthy.
Attrition: When a participant drops out, or fails to complete, all parts of a study.
Authoritarian parenting: Parenting style that is high is demandingness and low in support.
Authoritative: A parenting style characterized by high (but reasonable) expectations for children’s behavior, good communication, warmth and nurturance, and the use of reasoning (rather than coercion) as preferred responses to children’s misbehavior.
Authoritative parenting: A parenting style that is high in demandingness and high in support.
Authority stage: Stage from approximately 2 years to age 4 or 5 when parents create rules and figure out how to effectively guide their children’s behavior.
Autobiographical narratives: A qualitative research method used to understand characteristics and life themes that an individual considers to uniquely distinguish him- or herself from others.
Automatic process: When a thought, feeling, or behavior occurs with little or no mental effort. Typically, automatic processes are described as involuntary or spontaneous, often resulting from a great deal of practice or repetition.
Availability heuristic: The tendency to judge the frequency or likelihood of an event by the ease with which relevant instances come to mind.
Average life expectancy: Mean number of years that 50% of people in a specific birth cohort are expected to survive. This is typically calculated from birth but is also sometimes re-calculated for people who have already reached a particular age (e.g., 65).
Behavioral genetics: The empirical science of how genes and environments combine to generate behavior.
Behavioral medicine: A field similar to health psychology that integrates psychological factors (e.g., emotion, behavior, cognition, and social factors) in the treatment of disease. This applied field includes clinical areas of study, such as occupational therapy, hypnosis, rehabilitation or medicine, and preventative medicine.
Benevolent sexism: The “positive” element of ambivalent sexism, which recognizes that women are perceived as needing to be protected, supported, and adored by men.
Bidirectional: The idea that parents influence their children, but their children also influence the parents; the direction of influence goes both ways, from parent to child, and from child to parent.
Bidirectional relations: When one variable is likely both cause and consequence of another variable.
Big-C Creativity: Creative ideas that have an impact well beyond the everyday life of home or work. At the highest level, this kind of creativity is that of the creative genius.
Bigender: An individual who identifies as two genders.
Binary: The idea that gender has two separate and distinct categories (male and female) and that a person must be either one or the other.
Biofeedback: The process by which physiological signals, not normally available to human perception, are transformed into easy-to-understand graphs or numbers. Individuals can then use this information to try to change bodily functioning (e.g., lower blood pressure, reduce muscle tension).
Biomedical Model of Health: A reductionist model that posits that ill health is a result of a deviation from normal function, which is explained by the presence of pathogens, injury, or genetic abnormality.
Biopsychosocial Model of Health: An approach to studying health and human function that posits the importance of biological, psychological, and social (or environmental) processes.
Blended family: A family consisting of an adult couple and their children from previous relationships.
Boomerang generation: Term used to describe young adults, primarily between the ages of 25 and 34, who return home after previously living on their own.
“Bottom-up” or external causes of happiness: Situational factors outside the person that influence his or her subjective well-being, such as good and bad events and circumstances such as health and wealth.
Bystander intervention: The phenomenon whereby people intervene to help others in need even if the other is a complete stranger and the intervention puts the helper at risk.
Capitalization: Seeking out someone else with whom to share your good news.
Catharsis: Greek term that means to cleanse or purge. Applied to aggression, catharsis is the belief that acting aggressively or even viewing aggression purges angry feelings and aggressive impulses into harmless channels.
Cause-and-effect: Related to whether we say one variable is causing changes in the other variable, versus other variables that may be related to these two variables.
Character strength: A positive trait or quality deemed to be morally good and is valued for itself as well as for promoting individual and collective well-being.
Child abuse: Injury, death, or emotional harm to a child caused by a parent or caregiver, either intentionally or unintentionally.
Childfree: Term used to describe people who purposefully choose not to have children.
Childless: Term used to describe people who would like to have children but are unable to conceive.
Chronic disease: A health condition that persists over time, typically for periods longer than three months (e.g., HIV, asthma, diabetes).
Chutes and Ladders: A numerical board game that seems to be useful for building numerical knowledge.
Cisgender: A term used to describe individuals whose gender matches their biological sex.
Cognitive behavioral therapy (CBT): Psychotherapy approach that incorporates cognitive techniques (targeting unhelpful thoughts) and behavioral techniques (changing behaviors) to improve psychological symptoms.
Cohabitation: Arrangement where two unmarried adults live together.
Coherence: Within attachment theory, the gaining of insight into and reconciling one’s childhood experiences.
Cohort: Group of people typically born in the same year or historical period, who share common experiences over time; sometimes called a generation (e.g., Baby Boom Generation).
Cohort effects: When research findings differ for participants of the same age tested at different points in historical time.
Collective efficacy: The shared beliefs among members of a group about the group’s ability to effectively perform the tasks needed to attain a valued goal.
Collectivism: The cultural trend in which the primary unit of measurement is the group. Collectivists are likely to emphasize duty and obligation over personal aspirations.
Collectivism: Belief system that emphasizes the duties and obligations that each person has toward others.
Common-pool resource: A collective product or service that is freely available to all individuals of a society, but is vulnerable to overuse and degradation.
Commons dilemma game: A game in which members of a group must balance their desire for personal gain against the deterioration and possible collapse of a resource.
Conceptual Replication: A scientific attempt to copy the scientific hypothesis used in an earlier study in an effort to determine whether the results will generalize to different samples, times, or situations. The same—or similar—results are an indication that the findings are generalizable.
Concrete operations stage: Piagetian stage between ages 7 and 12 when children can think logically about concrete situations but not engage in systematic scientific reasoning.
Confederate: An actor working with the researcher. Most often, this individual is used to deceive unsuspecting research participants. Also known as a “stooge.”
Confidante: A trusted person with whom secrets and vulnerabilities can be shared.
Confidence interval: An interval of plausible values for a population parameter; the interval of values within the margin of error of a statistic.
Conformity: Changing one’s attitude or behavior to match a perceived social norm.
Conscience: The cognitive, emotional, and social influences that cause young children to create and act consistently with internal standards of conduct.
Conservation problems: Problems pioneered by Piaget in which physical transformation of an object or set of objects changes a perceptually salient dimension but not the quantity that is being asked about.
Continuous development: Ways in which development occurs in a gradual incremental manner, rather than through sudden jumps.
Control: Feeling like you have the power to change your environment or behavior if you need or want to.
Convergent thinking: The opposite of divergent thinking, the capacity to narrow in on the single “correct” answer or solution to a given question or problem (e.g., giving the right response on an intelligence tests).
Convoy Model of Social Relations: Theory that proposes that the frequency, types, and reciprocity of social exchanges change with age. These social exchanges impact the health and well-being of the givers and receivers in the convoy.
Cooperation: The coordination of multiple partners toward a common goal that will benefit everyone involved.
Correlation: A measure of the association between two variables, or how they go together.
Cortisol: A hormone made by the adrenal glands, within the cortex. Cortisol helps the body maintain blood pressure and immune function. Cortisol increases when the body is under stress.
Cost–benefit analysis: A decision-making process that compares the cost of an action or thing against the expected benefit to help determine the best course of action.
Counterfactual thinking: Mentally comparing actual events with fantasies of what might have been possible in alternative scenarios.
Cross-cultural psychology (or cross-cultural studies): An approach to researching culture that emphasizes the use of standard scales as a means of making meaningful comparisons across groups.
Cross-cultural studies (or cross-cultural psychology): An approach to researching culture that emphasizes the use of standard scales as a means of making meaningful comparisons across groups.
Cross-sectional research: A research design used to examine behavior in participants of different ages who are tested at the same point in time.
Cross-sectional studies: Research method that provides information about age group differences; age differences are confounded with cohort differences and effects related to history and time of study.
Crowds: Adolescent peer groups characterized by shared reputations or images.
Crystallized intelligence: Type of intellectual ability that relies on the application of knowledge, experience, and learned information.
Cultural differences: An approach to understanding culture primarily by paying attention to unique and distinctive features that set them apart from other cultures.
Cultural intelligence: The ability and willingness to apply cultural awareness to practical uses.
Cultural psychology: An approach to researching culture that emphasizes the use of interviews and observation as a means of understanding culture from its own point of view.
Cultural relativism: The principled objection to passing overly culture-bound (i.e., “ethnocentric”) judgements on aspects of other cultures.
Cultural script: Learned guides for how to behave appropriately in a given social situation. These reflect cultural norms and widely accepted values.
Cultural similarities: An approach to understanding culture primarily by paying attention to common features that are the same as or similar to those of other cultures
Culture: Shared, socially transmitted ideas (e.g., values, beliefs, attitudes) that are reflected in and reinforced by institutions, products, and rituals.
Culture: A pattern of shared meaning and behavior among a group of people that is passed from one generation to the next.
Daily Diary method: A methodology where participants complete a questionnaire about their thoughts, feelings, and behavior of the day at the end of the day.
Daily hassles: Irritations in daily life that are not necessarily traumatic, but that cause difficulties and repeated stress.
Day reconstruction method (DRM): A methodology where participants describe their experiences and behavior of a given day retrospectively upon a systematic reconstruction on the following day.
Decomposed games: A task in which an individual chooses from multiple allocations of resources to distribute between him- or herself and another person.
Departure stage: Stage at which parents prepare for a child to depart and evaluate their successes and failures as parents.
Depth perception: The ability to actively perceive the distance from oneself of objects in the environment.
Descriptive norm: The perception of what most people do in a given situation.
Developmental intergroup theory: A theory that postulates that adults’ focus on gender leads children to pay attention to gender as a key source of information about themselves and others, to seek out possible gender differences, and to form rigid stereotypes based on gender.
Deviant peer contagion: The spread of problem behaviors within groups of adolescents.
Differential susceptibility: Genetic factors that make individuals more or less responsive to environmental experiences.
Diffusion of responsibility: When deciding whether to help a person in need, knowing that there are others who could also provide assistance relieves bystanders of some measure of personal responsibility, reducing the likelihood that bystanders will intervene.
Discontinuous development: Discontinuous development
Dishabituation: When participants demonstrated increased attention (through looking or listening behavior) to a new stimulus after having been habituated to a different stimulus.
Distribution: The pattern of variation in data.
Divergent thinking: The opposite of convergent thinking, the capacity for exploring multiple potential answers or solutions to a given question or problem (e.g., coming up with many different uses for a common object).
DNA methylation: Covalent modifications of mammalian DNA occurring via the methylation of cytosine, typically in the context of the CpG dinucleotide.
DNA methyltransferases (DNMTs): Enzymes that establish and maintain DNA methylation using methyl-group donor compounds or cofactors. The main mammalian DNMTs are DNMT1, which maintains methylation state across DNA replication, and DNMT3a and DNMT3b, which perform de novo methylation.
Downward comparison: Making mental comparisons with people who are perceived to be inferior on the standard of comparison.
Dunning-Kruger Effect: The tendency for unskilled people to be overconfident in their ability and highly skilled people to underestimate their ability.
Ecological momentary assessment: An overarching term to describe methodologies that repeatedly sample participants’ real-world experiences, behavior, and physiology in real time.
Ecological validity: The degree to which a study finding has been obtained under conditions that are typical for what happens in everyday life.
Effortful control: A temperament quality that enables children to be more successful in motivated self-regulation.
Ego depletion: The idea that people have a limited pool of mental resources for self-control (e.g., regulating emotions, willpower), and this pool can be used up (depleted).
Egoism: A motivation for helping that has the improvement of the helper’s own circumstances as its primary goal.
Elder abuse: Any form of mistreatment that results in harm to an elder person, often caused by his/her adult child.
Electroencephalogram: A measure of electrical activity generated by the brain’s neurons.
Electronically activated recorder, or EAR: A methodology where participants wear a small, portable audio recorder that intermittently records snippets of ambient sounds around them.
Elicited imitation: A behavioral method used to examine recall memory in infants and young children.
Emerging adulthood: A new life stage extending from approximately ages 18 to 25, during which the foundation of an adult life is gradually constructed in love and work. Primary features include identity explorations, instability, focus on self-development, feeling incompletely adult, and a broad sense of possibilities.
Emotion regulation: The ability to recognize emotional experiences and respond to situations by engaging in strategies to manage emotions as necessary.
Emotion-focused coping: Coping strategy aimed at reducing the negative emotions associated with a stressful event.
Emotions: Changes in subjective experience, physiological responding, and behavior in response to a meaningful event. Emotions tend to occur on the order of seconds (in contract to moods which may last for days).
Empathic concern: According to Batson’s empathy–altruism hypothesis, observers who empathize with a person in need (that is, put themselves in the shoes of the victim and imagine how that person feels) will experience empathic concern and have an altruistic motivation for helping.
Empathy: The ability to vicariously experience the emotions of another person.
Empathy–altruism model: An altruistic theory proposed by Batson (2011) that claims that people who put themselves in the shoes of a victim and imagining how the victim feel will experience empathic concern that evokes an altruistic motivation for helping.
Empty Nest: Feelings of sadness and loneliness that parents may feel when their adult children leave the home for the first time.
Enculturation: The uniquely human form of learning that is taught by one generation to another.
Endophenotypes: A characteristic that reflects a genetic liability for disease and a more basic component of a complex clinical presentation. Endophenotypes are less developmentally malleable than overt behavior.
Engagement: Formal agreement to get married.
Epigenetics: The study of heritable changes in gene expression or cellular phenotype caused by mechanisms other than changes in the underlying DNA sequence. Epigenetic marks include covalent DNA modifications and posttranslational histone modifications.
Epigenome: The genome-wide distribution of epigenetic marks.
Ethnocentric bias (or ethnocentrism): Being unduly guided by the beliefs of the culture you’ve grown up in, especially when this results in a misunderstanding or disparagement of unfamiliar cultures.
Ethnographic studies: Research that emphasizes field data collection and that examines questions that attempt to understand culture from it's own context and point of view.
Event-related potentials (ERP): Measures the firing of groups of neurons in the cortex. As a person views or listens to specific types of information, neuronal activity creates small electrical currents that can be recorded from non-invasive sensors placed on the scalp. ERP provides excellent information about the timing of processing, clarifying brain activity at the millisecond pace at which it unfolds.
Event-related potentials (ERP): The recording of participant brain activity using a stretchy cap with small electrodes or sensors as participants engage in a particular task (commonly viewing photographs or listening to auditory stimuli).
Exact Replication (also called Direct Replication): A scientific attempt to exactly copy the scientific methods used in an earlier study in an effort to determine whether the results are consistent. The same—or similar—results are an indication that the findings are accurate.
Experience-sampling method: A methodology where participants report on their momentary thoughts, feelings, and behaviors at different points in time over the course of a day.
Exposure treatment: A technique used in behavior therapy that involves a patient repeatedly confronting a feared situation, without danger, to reduce anxiety.
External validity: The degree to which a finding generalizes from the specific sample and context of a study to some larger population and broader settings.
Falsified data (faked data): Data that are fabricated, or made up, by researchers intentionally trying to pass off research results that are inaccurate. This is a serious ethical breach and can even be a criminal offense.
Family of orientation: The family one is born into.
Family of procreation: The family one creates, usually through marriage.
Family Stress Model: A description of the negative effects of family financial difficulty on child adjustment through the effects of economic stress on parents’ depressed mood, increased marital problems, and poor parenting.
Family systems theory: Theory that says a person cannot be understood on their own, but as a member of a unit.
Fear of negative evaluation: The preoccupation with and dread of the possibility of being judged negatively by others.
Fear of positive evaluation: The dread associated with favorable public evaluation or acknowledgment of success, particularly when it involves social comparison.
Feelings: A general term used to describe a wide range of states that include emotions, moods, traits and that typically involve changes in subjective experience, physiological responding, and behavior in response to a meaningful event. Emotions typically occur on the order of seconds, whereas moods may last for days, and traits are tendencies to respond a certain way across various situations.
Fight or flight response: The physiological response that occurs in response to a perceived threat, preparing the body for actions needed to deal with the threat.
Fixed mindset: The belief that personal qualities such as intelligence are traits that cannot be developed. People with fixed mindsets often underperform compared to those with “growth mindsets”
Flourishing: To live optimally psychologically, relationally, and spiritually.
Fluid intelligence: Type of intelligence that relies on the ability to use information processing resources to reason logically and solve novel problems.
Foreclosure: Individuals commit to an identity without exploration of options.
Forgiveness: The letting go of negative thoughts, feelings, and behaviors toward an offender.
Formal operations stage: Piagetian stage starting at age 12 years and continuing for the rest of life, in which adolescents may gain the reasoning powers of educated adults.
Foster care: Care provided by alternative families to children whose families of orientation cannot adequately care for them; often arranged through the government or a social service agency.
Free rider problem: A situation in which one or more individuals benefit from a common-pool resource without paying their share of the cost.
Frog Pond Effect: The theory that a person’s comparison group can affect their evaluations of themselves. Specifically, people have a tendency to have lower self-evaluations when comparing themselves to higher performing groups.
Full-cycle psychology: A scientific approach whereby researchers start with an observational field study to identify an effect in the real world, follow up with laboratory experimentation to verify the effect and isolate the causal mechanisms, and return to field research to corroborate their experimental findings.
Functional distance: The frequency with which we cross paths with others.
Functional magnetic resonance imaging: A measure of changes in the oxygenation of blood flow as areas in the brain become active.
Functional magnetic resonance imaging (fMRI): Entails the use of powerful magnets to measure the levels of oxygen within the brain that vary with changes in neural activity. That is, as the neurons in specific brain regions “work harder” when performing a specific task, they require more oxygen. By having people listen to or view social percepts in an MRI scanner, fMRI specifies the brain regions that evidence a relative increase in blood flow. In this way, fMRI provides excellent spatial information, pinpointing with millimeter accuracy, the brain regions most critical for different social processes.
Functional neuroanatomy: Classifying how regions within the nervous system relate to psychology and behavior.
Gender: The cultural, social, and psychological meanings that are associated with masculinity and femininity.
Gender constancy: The awareness that gender is constant and does not change simply by changing external attributes; develops between 3 and 6 years of age.
Gender discrimination: Differential treatment on the basis of gender.
Gender identity: A person’s psychological sense of being male or female.
Gender roles: The behaviors, attitudes, and personality traits that are designated as either masculine or feminine in a given culture.
Gender schema theory: This theory of how children form their own gender roles argues that children actively organize others’ behavior, activities, and attributes into gender categories or schemas.
Gender schemas: Organized beliefs and expectations about maleness and femaleness that guide children’s thinking about gender.
Gender stereotypes: The beliefs and expectations people hold about the typical characteristics, preferences, and behaviors of men and women.
Genderfluid: An individual who may identify as male, female, both, or neither at different times and in different circumstances.
Genderqueer or gender nonbinary: An umbrella term used to describe a wide range of individuals who do not identify with and/or conform to the gender binary.
Gene: A specific deoxyribonucleic acid (DNA) sequence that codes for a specific polypeptide or protein or an observable inherited trait.
General Adaptation Syndrome: A three-phase model of stress, which includes a mobilization of physiological resources phase, a coping phase, and an exhaustion phase (i.e., when an organism fails to cope with the stress adequately and depletes its resources).
Generalizability: Related to whether the results from the sample can be generalized to a larger population.
Generalize: Generalizing, in science, refers to the ability to arrive at broad conclusions based on a smaller sample of observations. For these conclusions to be true the sample should accurately represent the larger population from which it is drawn.
Genome-wide association study (GWAS): A study that maps DNA polymorphisms in affected individuals and controls matched for age, sex, and ethnic background with the aim of identifying causal genetic variants.
Genotype: The DNA content of a cell’s nucleus, whether a trait is externally observable or not.
Global subjective well-being: Individuals’ perceptions of and satisfaction with their lives as a whole.
Good genes hypothesis: Proposes that certain physical qualities, like averageness, are attractive because they advertise mate quality—either greater fertility or better genetic traits that lead to better offspring and hence greater reproductive success.
Goodness of fit: The match or synchrony between a child’s temperament and characteristics of parental care that contributes to positive or negative personality development. A good “fit” means that parents have accommodated to the child’s temperamental attributes, and this contributes to positive personality growth and better adjustment.
Gratitude: A feeling of appreciation or thankfulness in response to receiving a benefit.
Growth mindset: The belief that personal qualities, such as intelligence, can be developed through effort and practice.
Habituation: When participants demonstrated decreased attention (through looking or listening behavior) to repeatedly-presented stimuli.
Happiness: The popular word for subjective well-being. Scientists sometimes avoid using this term because it can refer to different things, such as feeling good, being satisfied, or even the causes of high subjective well-being.
Happiness: A state of well-being characterized by relative permanence, by dominantly agreeable emotion ranging in value from mere contentment to deep and intense joy in living, and by a natural desire for its continuation.
Health: The complete state of physical, mental, and social well-being—not just the absence of disease or infirmity.
Health: According to the World Health Organization, it is a complete state of physical, mental, and social well-being and not merely the absence of disease or infirmity.
Health behavior: Any behavior that is related to health—either good or bad.
Health behaviors: Behaviors that are associated with better health. Examples include exercising, not smoking, and wearing a seat belt while in a vehicle.
Hedonic well-being: Component of well-being that refers to emotional experiences, often including measures of positive (e.g., happiness, contentment) and negative affect (e.g., stress, sadness).
Helpfulness: A component of the prosocial personality orientation; describes individuals who have been helpful in the past and, because they believe they can be effective with the help they give, are more likely to be helpful in the future.
Helping: Prosocial acts that typically involve situations in which one person is in need and another provides the necessary assistance to eliminate the other’s need.
Heritability coefficient: An easily misinterpreted statistical construct that purports to measure the role of genetics in the explanation of differences among individuals.
Heterogamy: Partnering with someone who is unlike you in a meaningful way.
Heterogeneity: Inter-individual and subgroup differences in level and rate of change over time.
Histone acetyltransferases (HATs) and histone deacetylases (HDACs): HATs are enzymes that transfer acetyl groups to specific positions on histone tails, promoting an “open” chromatin state and transcriptional activation. HDACs remove these acetyl groups, resulting in a “closed” chromatin state and transcriptional repression.
Histone modifications: Posttranslational modifications of the N-terminal “tails” of histone proteins that serve as a major mode of epigenetic regulation. These modifications include acetylation, phosphorylation, methylation, sumoylation, ubiquitination, and ADP-ribosylation.
Homogamy: Partnering with someone who is like you in a meaningful way.
Homophily: Adolescents tend to associate with peers who are similar to themselves.
Hormones: Chemicals released by cells in the brain or body that affect cells in other parts of the brain or body.
Hostile attribution bias: The tendency to perceive ambiguous actions by others as aggressive.
Hostile expectation bias: The tendency to assume that people will react to potential conflicts with aggression.
Hostile perception bias: The tendency to perceive social interactions in general as being aggressive.
Hostile sexism: The negative element of ambivalent sexism, which includes the attitudes that women are inferior and incompetent relative to men.
Hostility: An experience or trait with cognitive, behavioral, and emotional components. It often includes cynical thoughts, feelings of emotion, and aggressive behavior.
Humility: Having an accurate view of self—not too high or low—and a realistic appraisal of one’s strengths and weaknesses, especially in relation to other people.
Hypothalamic-pituitary-adrenal (HPA) axis: A system that involves the hypothalamus (within the brain), the pituitary gland (within the brain), and the adrenal glands (at the top of the kidneys). This system helps maintain homeostasis (keeping the body’s systems within normal ranges) by regulating digestion, immune function, mood, temperature, and energy use. Through this, the HPA regulates the body’s response to stress and injury.
Identical twins: Two individual organisms that originated from the same zygote and therefore are genetically identical or very similar. The epigenetic profiling of identical twins discordant for disease is a unique experimental design as it eliminates the DNA sequence-, age-, and sex-differences from consideration.
Identity achievement: Individuals have explored different options and then made commitments.
Identity diffusion: Adolescents neither explore nor commit to any roles or ideologies.
Image-making stage: Stage during pregnancy when parents consider what it means to be a parent and plan for changes to accommodate a child.
Imaginal performances: When imagining yourself doing well increases self-efficacy.
Independent self: The tendency to define the self in terms of stable traits that guide behavior.
Independent self: A model or view of the self as distinct from others and as stable across different situations. The goal of the independent self is to express and assert the self, and to influence others. This model of self is prevalent in many individualistic, Western contexts (e.g., the United States, Australia, Western Europe).
Individual differences: Psychological traits, abilities, aptitudes and tendencies that vary from person to person.
Individualism: Belief system that exalts freedom, independence, and individual choice as high values.
Individualism: The cultural trend in which the primary unit of measurement is the individual. Individualists are likely to emphasize uniqueness and personal aspirations over social duty.
Industrialized countries: The economically advanced countries of the world, in which most of the world’s wealth is concentrated.
Information processing theories: Theories that focus on describing the cognitive processes that underlie thinking at any one age and cognitive growth over time.
Informational influence: Conformity that results from a concern to act in a socially approved manner as determined by how others act.
Informed consent: The process of getting permission from adults for themselves and their children to take part in research.
Ingroup: A social group to which an individual identifies or belongs.
Inhibitory functioning: Ability to focus on a subset of information while suppressing attention to less relevant information.
Institutional Review Boards (IRBs): A committee that reviews and approves research procedures involving human participants and animal subjects to ensure that the research is conducted in accordance with federal, institutional, and ethical guidelines.
Interdependent self: The tendency to define the self in terms of social contexts that guide behavior.
Interdependent self: A model or view of the self as connected to others and as changing in response to different situations. The goal of the interdependent self is to suppress personal preferences and desires, and to adjust to others. This model of self is prevalent in many collectivistic, East Asian contexts (e.g., China, Japan, Korea).
Interdependent stage: Stage during teenage years when parents renegotiate their relationship with their adolescent children to allow for shared power in decision-making.
Interindividual-intergroup discontinuity: The tendency for relations between groups to be less cooperative than relations between individuals.
Internal validity: The degree to which a cause-effect relationship between two variables has been unambiguously established.
Interpretive stage: Stage from age 4or 5 to the start of adolescence when parents help their children interpret their experiences with the social world beyond the family.
Interview techniques: A research method in which participants are asked to report on their experiences using language, commonly by engaging in conversation with a researcher (participants may also be asked to record their responses in writing).
Intimate partner violence: Physical, sexual, or psychological abuse inflicted by a partner.
Intra- and inter-individual differences: Different patterns of development observed within an individual (intra-) or between individuals (inter-).
Involuntary or obligatory responses: Behaviors in which individuals engage that do not require much conscious thought or effort.
Joint family: A family comprised of at least three generations living together. Joint families often include many members of the extended family.
Kin selection: According to evolutionary psychology, the favoritism shown for helping our blood relatives, with the goals of increasing the likelihood that some portion of our DNA will be passed on to future generations.
Latent inhibition: The ability to filter out extraneous stimuli, concentrating only on the information that is deemed relevant. Reduced latent inhibition is associated with higher creativity.
Learned helplessness: The belief, as someone who is abused, that one has no control over his or her situation.
Lesions: Damage or tissue abnormality due, for example, to an injury, surgery, or a vascular problem.
Life course theories: Theory of development that highlights the effects of social expectations of age-related life events and social roles; additionally considers the lifelong cumulative effects of membership in specific cohorts and sociocultural subgroups and exposure to historical events.
Life domains: Various domains of life, such as finances and job.
Life satisfaction: A person reflects on their life and judges to what degree it is going well, by whatever standards that person thinks are most important for a good life.
Life satisfaction: The degree to which one is satisfied with one’s life overall.
Life span theories: Theory of development that emphasizes the patterning of lifelong within- and between-person differences in the shape, level, and rate of change trajectories.
Linguistic inquiry and word count: A quantitative text analysis methodology that automatically extracts grammatical and psychological information from a text by counting word frequencies.
Little-c creativity: Creative ideas that appear at the personal level, whether the home or the workplace. Such creativity needs not have a larger impact to be considered creative.
Lived day analysis: A methodology where a research team follows an individual around with a video camera to objectively document a person’s daily life as it is lived.
Local dominance effect: People are generally more influenced by social comparison when that comparison is personally relevant rather than broad and general.
Longitudinal research: A research design used to examine behavior in the same participants over short (months) or long (decades) periods of time.
Longitudinal studies: Research method that collects information from individuals at multiple time points over time, allowing researchers to track cohort differences in age-related change to determine cumulative effects of different life experiences.
Machiavellianism: Being cunning, strategic, or exploitative in one’s relationships. Named after Machiavelli, who outlined this way of relating in his book, The Prince.
Margin of error: The expected amount of random variation in a statistic; often defined for 95% confidence level.
Marriage market: The process through which prospective spouses compare assets and liabilities of available partners and choose the best available mate.
Mastery goals: Goals that are focused primarily on learning, competence, and self-development. These are contrasted with “performance goals” that are focused on the quality of a person’s performance.
Medial prefrontal cortex: An area of the brain located in the middle of the frontal lobes (at the front of the head), active when people mentalize about the self and others.
Mentalizing: The act of representing the mental states of oneself and others. Mentalizing allows humans to interpret the intentions, beliefs, and emotional states of others.
Mere-exposure effect: The tendency to prefer stimuli that have been seen before over novel ones. There also is a generalized mere-exposure effect shown in a preference for stimuli that are similar to those that have been seen before.
Mere-exposure effect: The notion that people like people/places/things merely because they are familiar with them.
Mind–body connection: The idea that our emotions and thoughts can affect how our body functions.
Modern family: A family based on commitment, caring, and close emotional ties.
Moratorium: State in which adolescents are actively exploring options but have not yet made identity commitments.
Morph: A face or other image that has been transformed by a computer program so that it is a mixture of multiple images.
Motor control: The use of thinking to direct muscles and limbs to perform a desired action.
Multicultural experiences: Individual exposure to two or more cultures, such as obtained by living abroad, emigrating to another country, or working or going to school in a culturally diverse setting.
Multigenerational homes: Homes with more than one adult generation.
Narcissism: A pervasive pattern of grandiosity (in fantasy or behavior), a need for admiration, and lack of empathy.
Nature: The genes that children bring with them to life and that influence all aspects of their development.
N-Effect: The finding that increasing the number of competitors generally decreases one’s motivation to compete.
Negative feelings: Undesirable and unpleasant feelings that people tend to avoid if they can. Moods and emotions such as depression, anger, and worry are examples.
Negative state relief model: An egoistic theory proposed by Cialdini et al. (1982) that claims that people have learned through socialization that helping can serve as a secondary reinforcement that will relieve negative moods such as sadness.
Neglect: Failure to care for someone properly.
Neuroendocrinology: The study of how the brain and hormones act in concert to coordinate the physiology of the body.
Non-industrialized countries: The less economically advanced countries that comprise the majority of the world’s population. Most are currently developing at a rapid rate.
Normative influence: Conformity that results from a concern for what other people think of us.
Nuclear families: A core family unit comprised of only the parents and children.
Numerical magnitudes: The sizes of numbers.
Nurture: The environments, starting with the womb, that influence all aspects of children’s development.
Nurturing stage: Stage from birth to around 18-24 months in which parents develop an attachment relationship with child and adapt to the new baby.
Obedience: Responding to an order or command from a person in a position of authority.
Object permanence: The understanding that objects continue to exist even when they cannot be directly observed (e.g., that a pen continues to exist even when it is hidden under a piece of paper).
Object permanence task: The Piagetian task in which infants below about 9 months of age fail to search for an object that is removed from their sight and, if not allowed to search immediately for the object, act as if they do not know that it continues to exist.
Objective social variables: Targets of research interest that are factual and not subject to personal opinions or feelings.
Observational learning: Learning by observing the behavior of others.
OECD countries: Members of the Organization for Economic Co-operation and Development, comprised of the world’s wealthiest countries.
Open ended questions: Research questions that ask participants to answer in their own words.
Openness to experience: One of the factors of the Big Five Model of personality, the factor assesses the degree that a person is open to different or new values, interests, and activities.
Operationalization: The process of defining a concept so that it can be measured. In psychology, this often happens by identifying related concepts or behaviors that can be more easily measured.
Optimal level: The level that is the most favorable for an outcome.
Originality: When an idea or solution has a low probability of occurrence.
Ostracism: Being excluded and ignored by others.
Other-oriented empathy: A component of the prosocial personality orientation; describes individuals who have a strong sense of social responsibility, empathize with and feel emotionally tied to those in need, understand the problems the victim is experiencing, and have a heightened sense of moral obligations to be helpful.
Outgroup: A social category or group with which an individual does not identify.
Outgroup: A social group to which an individual does not identify or belong.
Parameter: A numerical result summarizing a population (e.g., mean, proportion).
Perceived social support: A person’s perception that others are there to help them in times of need.
Performance experiences: When past successes or failures lead to changes in self-efficacy.
Permissive parenting: Parenting that is low in demandingness and high in support.
Personal distress: According to Batson’s empathy–altruism hypothesis, observers who take a detached view of a person in need will experience feelings of being “worried” and “upset” and will have an egoistic motivation for helping to relieve that distress.
Personality: A person’s relatively stable patterns of thought, feeling, and behavior.
Pharmacotherapy: A treatment approach that involves using medications to alter a person’s neural functioning to reduce psychological symptoms.
Phenotype: The pattern of expression of the genotype or the magnitude or extent to which it is observably expressed—an observable characteristic or trait of an organism, such as its morphology, development, biochemical or physiological properties, or behavior.
Phonemic awareness: Awareness of the component sounds within words.
Physical abuse: The use of intentional physical force to cause harm.
Piaget’s theory: Theory that development occurs through a sequence of discontinuous stages: the sensorimotor, preoperational, concrete operational, and formal operational stages.
Pluralistic ignorance: Relying on the actions of others to define an ambiguous need situation and to then erroneously conclude that no help or intervention is necessary.
Population: A larger collection of individuals that we would like to generalize our results to.
Positive feelings: Desirable and pleasant feelings. Moods and emotions such as enjoyment and love are examples.
Positive psychology: The science of human flourishing. Positive Psychology is an applied science with an emphasis on real world intervention.
Practice effect: When participants get better at a task over time by “practicing” it through repeated assessments instead of due to actual developmental change (practice effects can be particularly problematic in longitudinal and sequential research designs).
Preoperational reasoning stage: Period within Piagetian theory from age 2 to 7 years, in which children can represent objects through drawing and language but cannot solve logical reasoning problems, such as the conservation problems.
Priming: The process by which exposing people to one stimulus makes certain thoughts, feelings or behaviors more salient.
Prisoner’s dilemma: A classic paradox in which two individuals must independently choose between defection (maximizing reward to the self) and cooperation (maximizing reward to the group).
Problem-focused coping: A set of coping strategies aimed at improving or changing stressful situations.
Processing speed: The time it takes individuals to perform cognitive operations (e.g., process information, react to a signal, switch attention from one task to another, find a specific target object in a complex picture).
Pro-social: Thoughts, actions, and feelings that are directed towards others and which are positive in nature.
Prosocial behavior: Social behavior that benefits another person.
Prosocial personality orientation: A measure of individual differences that identifies two sets of personality characteristics (other-oriented empathy, helpfulness) that are highly correlated with prosocial behavior.
Prototype: A typical, or average, member of a category. Averageness increases attractiveness.
Proximity: The relative closeness or distance from a given comparison standard. The further from the standard a person is, the less important he or she considers the standard. When a person is closer to the standard he/she is more likely to be competitive.
Proximity: Physical nearness.
Psychological abuse: Aggressive behavior intended to control a partner.
Psychological control: Parents’ manipulation of and intrusion into adolescents’ emotional and cognitive world through invalidating adolescents’ feelings and pressuring them to think in particular ways.
Psychometric approach: Approach to studying intelligence that examines performance on tests of intellectual functioning.
Psychoneuroimmunology: A field of study examining the relationship among psychology, brain function, and immune function.
Psychopathy: A pattern of antisocial behavior characterized by an inability to empathize, egocentricity, and a desire to use relationships as tools for personal gain.
Psychophysiological responses: Recording of biological measures (such as heart rate and hormone levels) and neurological responses (such as brain activity) that may be associated with observable behaviors.
Psychosomatic medicine: An interdisciplinary field of study that focuses on how biological, psychological, and social processes contribute to physiological changes in the body and health over time.
Punishment: Inflicting pain or removing pleasure for a misdeed. Punishment decreases the likelihood that a behavior will be repeated.
P-value: The probability of observing a particular outcome in a sample, or more extreme, under a conjecture about the larger population or process.
Qualitative changes: Large, fundamental change, as when a caterpillar changes into a butterfly; stage theories such as Piaget’s posit that each stage reflects qualitative change relative to previous stages.
Quantitative changes: Gradual, incremental change, as in the growth of a pine tree’s girth.
Quantitative genetics: Scientific and mathematical methods for inferring genetic and environmental processes based on the degree of genetic and environmental similarity among organisms.
Random assignment: Using a probability-based method to divide a sample into treatment groups.
Random sampling: Using a probability-based method to select a subset of individuals for the sample from the population.
Rational self-interest: The principle that people will make logical decisions based on maximizing their own gains and benefits.
Recall: Type of memory task where individuals are asked to remember previously learned information without the help of external cues.
Recall memory: The process of remembering discrete episodes or events from the past, including encoding, consolidation and storage, and retrieval.
Received social support: The actual act of receiving support (e.g., informational, functional).
Reciprocal altruism: According to evolutionary psychology, a genetic predisposition for people to help those who have previously helped them.
Recognition: Type of memory task where individuals are asked to remember previously learned information with the assistance of cues.
Relational aggression: Intentionally harming another person’s social relationships, feelings of acceptance, or inclusion within a group.
Relationship bank account: An account you hold with every person in which a positive deposit or a negative withdrawal can be made during every interaction you have with the person.
Remote associations: Associations between words or concepts that are semantically distant and thus relatively unusual or original.
Research design: The strategy (or “blueprint”) for deciding how to collect and analyze research information.
Research methods: The specific tools and techniques used by researchers to collect information.
Resilience: The ability to “bounce back” from negative situations (e.g., illness, stress) to normal functioning or to simply not show poor outcomes in the face of adversity. In some cases, resilience may lead to better functioning following the negative experience (e.g., post-traumatic growth).
Ritual: Rites or actions performed in a systematic or prescribed way often for an intended purpose. Example: The exchange of wedding rings during a marriage ceremony in many cultures.
Safety behaviors: Actions people take to reduce likelihood of embarrassment or minimizing anxiety in a situation (e.g., not making eye contact, planning what to say).
Sample: The collection of individuals on which we collect data.
Sample Size: The number of participants in a study. Sample size is important because it can influence the confidence scientists have in the accuracy and generalizability of their results.
Sandwich generation: Generation of people responsible for taking care of their own children as well as their aging parents.
Schemas: The gender categories into which, according to gender schema theory, children actively organize others’ behavior, activities, and attributes.
Second shift: Term used to describe the unpaid work a parent, usually a mother, does in the home in terms of housekeeping and childrearing.
Secure attachments: Attachment style that involves being comfortable with depending on your partner and having your partner depend on you.
Security of attachment: An infant’s confidence in the sensitivity and responsiveness of a caregiver, especially when he or she is needed. Infants can be securely attached or insecurely attached.
Selective serotonin re-uptake inhibitors (SSRIs): A class of antidepressant medications often used to treat SAD that increase the concentration of the neurotransmitter serotonin in the brain.
Self-construal: The extent to which the self is defined as independent or as relating to others.
Self-efficacy: The belief that you are able to effectively perform the tasks needed to attain a valued goal.
Self-efficacy: The belief that one can perform adequately in a specific situation.
Self-enhancement effect: The finding that people can boost their own self-evaluations by comparing themselves to others who rank lower on a particular comparison standard.
Self-esteem: The feeling of confidence in one’s own abilities or worth.
Self-evaluation maintenance (SEM): A model of social comparison that emphasizes one’s closeness to the comparison target, the relative performance of that target person, and the relevance of the comparison behavior to one’s self-concept.
Self-expansion model: Seeking to increase one’s capacity often through an intimate relationship.
Self-perceptions of aging: An individual’s perceptions of their own aging process; positive perceptions of aging have been shown to be associated with greater longevity and health.
Self-regulation: The complex process through which people control their thoughts, emotions, and actions.
Self-report measure: A type of questionnaire in which participants answer questions whose answers correspond to numerical values that can be added to create an overall index of some construct.
Sensorimotor stage: Period within Piagetian theory from birth to age 2 years, during which children come to represent the enduring reality of objects.
Sequential research designs: A research design that includes elements of cross-sectional and longitudinal research designs. Similar to cross-sectional designs, sequential research designs include participants of different ages within one study; similar to longitudinal designs, participants of different ages are followed over time.
Serotonin norepinephrine reuptake inhibitors (SNRIs): A class of antidepressant medications often used to treat SAD that increase the concentration of serotonin and norepinephrine in the brain.
Sex: Biological category of male or female as defined by physical differences in genetic composition and in reproductive anatomy and function.
Sexual abuse: The act of forcing a partner to take part in a sex act against his or her will.
Sexual harassment: A form of gender discrimination based on unwanted treatment related to sexual behaviors or appearance.
Sexual orientation: Refers to the direction of emotional and erotic attraction toward members of the opposite sex, the same sex, or both sexes.
Shunning: The act of avoiding or ignoring a person, and withholding all social interaction for a period of time. Shunning generally occurs as a punishment and is temporary.
Simulation: Imaginary or real imitation of other people’s behavior or feelings.
Single parent family: An individual parent raising a child or children.
Situational identity: Being guided by different cultural influences in different situations, such as home versus workplace, or formal versus informal roles.
Social anxiety: Excessive anticipation and distress about social situations in which one may be evaluated negatively, rejected, or scrutinized.
Social anxiety disorder (SAD): An anxiety disorder marked by severe and persistent social anxiety and avoidance that interferes with a person’s ability to fulfill their roles in important life domains.
Social brain: The set of neuroanatomical structures that allows us to understand the actions and intentions of other people.
Social categorization: The act of mentally classifying someone into a social group (e.g., as female, elderly, a librarian).
Social category: Any group in which membership is defined by similarities between its members. Examples include religious, ethnic, and athletic groups.
Social comparison: The process by which people understand their own ability or condition by mentally comparing themselves to others.
Social constructivism: Social constructivism proposes that knowledge is first created and learned within a social context and is then adopted by individuals.
Social identity: A person’s sense of who they are, based on their group membership(s).
Social integration: The size of your social network, or number of social roles (e.g., son, sister, student, employee, team member).
Social integration: Active engagement and participation in a broad range of social relationships.
Social learning theory: This theory of how children form their own gender roles argues that gender roles are learned through reinforcement, punishment, and modeling.
Social network: Network of people with whom an individual is closely connected; social networks provide emotional, informational, and material support and offer opportunities for social engagement.
Social referencing: The process by which one individual consults another’s emotional expressions to determine how to evaluate and respond to circumstances that are ambiguous or uncertain.
Social support: The perception or actuality that we have a social network that can help us in times of need and provide us with a variety of useful resources (e.g., advice, love, money).
Social support: A subjective feeling of psychological or physical comfort provided by family, friends, and others.
Social support: A social network’s provision of psychological and material resources that benefit an individual.
Social value orientation (SVO): An assessment of how an individual prefers to allocate resources between him- or herself and another person.
Sociocultural theories: Theory founded in large part by Lev Vygotsky that emphasizes how other people and the attitudes, values, and beliefs of the surrounding culture influence children’s development.
Socioemotional Selectivity Theory: Theory proposed to explain the reduction of social partners in older adulthood; posits that older adults focus on meeting emotional over information-gathering goals, and adaptively select social partners who meet this need.
Solidity principle: The idea that two solid masses should not be able to move through one another.
Standard scale: Research method in which all participants use a common scale—typically a Likert scale—to respond to questions.
State of vulnerability: When a person places him or herself in a position in which he or she might be exploited or harmed. This is often done out of trust that others will not exploit the vulnerability.
Statistic: A numerical result computed from a sample (e.g., mean, proportion).
Statistical significance: A result is statistically significant if it is unlikely to arise by chance alone.
Stepfamily: A family formed, after divorce or widowhood, through remarriage.
Stereotypes: The beliefs or attributes we associate with a specific social group. Stereotyping refers to the act of assuming that because someone is a member of a particular group, he or she possesses the group’s attributes. For example, stereotyping occurs when we assume someone is unemotional just because he is man, or particularly athletic just because she is African American.
Strange situation: A laboratory task that involves briefly separating and reuniting infants and their primary caregivers as a way of studying individual differences in attachment behavior.
Stress: A pattern of physical and psychological responses in an organism after it perceives a threatening event that disturbs its homeostasis and taxes its abilities to cope with the event.
Stress: A threat or challenge to our well-being. Stress can have both a psychological component, which consists of our subjective thoughts and feelings about being threatened or challenged, as well as a physiological component, which consists of our body’s response to the threat or challenge (see “fight or flight response”).
Stressor: An event or stimulus that induces feelings of stress.
Subjective age: A multidimensional construct that indicates how old (or young) a person feels and into which age group a person categorizes him- or herself
Subjective social variables: Targets of research interest that are not necessarily factual but are related to personal opinions or feelings
Subjective well-being: The scientific term used to describe how people experience the quality of their lives in terms of life satisfaction and emotional judgments of positive and negative affect.
Subjective well-being: The name that scientists give to happiness—thinking and feeling that our lives are going very well.
Subjective well-being scales: Self-report surveys or questionnaires in which participants indicate their levels of subjective well-being, by responding to items with a number that indicates how well off they feel.
Successful aging: Includes three components: avoiding disease, maintaining high levels of cognitive and physical functioning, and having an actively engaged lifestyle.
Superior temporal sulcus: The sulcus (a fissure in the surface of the brain) that separates the superior temporal gyrus from the middle temporal gyrus. Located in the temporal lobes (parallel to the ears), it is involved in perception of biological motion or the movement of animate objects.
Support support network: The people who care about and support a person.
Sympathetic nervous system: A branch of the autonomic nervous system that controls many of the body’s internal organs. Activity of the SNS generally mobilizes the body’s fight or flight response.
Task-specific measures of self-efficacy: Measures that ask about self-efficacy beliefs for a particular task (e.g., athletic self-efficacy, academic self-efficacy).
Temperament: A child’s innate personality; biologically based personality, including qualities such as activity level, emotional reactivity, sociability, mood, and soothability.
Temperament: Early emerging differences in reactivity and self-regulation, which constitutes a foundation for personality development.
Temporal parietal junction: The area where the temporal lobes (parallel to the ears) and parieta lobes (at the top of the head toward the back) meet. This area is important in mentalizing and distinguishing between the self and others.
Tertiary education: Education or training beyond secondary school, usually taking place in a college, university, or vocational training program.
Theory of mind: Children’s growing understanding of the mental states that affect people’s behavior.
“Top-down” or internal causes of happiness: The person’s outlook and habitual response tendencies that influence their happiness—for example, their temperament or optimistic outlook on life.
Traditional family: Two or more people related by blood, marriage, and—occasionally-- by adoption.
Transgender: A term used to describe individuals whose gender does not match their biological sex.
Twin studies: A behavior genetic research method that involves comparison of the similarity of identical (monozygotic; MZ) and fraternal (dizygotic; DZ) twins.
Two-parent family: A family consisting of two parents—typical both of the biological parents-- and their children.
Type A Behavior: Type A behavior is characterized by impatience, competitiveness, neuroticism, hostility, and anger.
Type B Behavior: Type B behavior reflects the absence of Type A characteristics and is represented by less competitive, aggressive, and hostile behavior patterns.
Ultimatum game: An economic game in which a proposer (Player A) can offer a subset of resources to a responder (Player B), who can then either accept or reject the given proposal.
Uninvolved parenting: Parenting that is low in demandingness and low in support.
Universalism: Universalism proposes that there are single objective standards, independent of culture, in basic domains such as learning, reasoning, and emotion that are a part of all human experience.
Unusual uses: A test of divergent thinking that asks participants to find many uses for commonplace objects, such as a brick or paperclip.
Upward comparisons: Making mental comparisons to people who are perceived to be superior on the standard of comparison.
Value judgment: An assessment—based on one’s own preferences and priorities—about the basic “goodness” or “badness” of a concept or practice.
Value-free research: Research that is not influenced by the researchers’ own values, morality, or opinions.
Verbal persuasion: When trusted people (friends, family, experts) influence your self-efficacy for better or worse by either encouraging or discouraging you about your ability to succeed.
Verbal report paradigms: Research methods that require participants to report on their experiences, thoughts, feelings, etc., using language.
Vicarious performances: When seeing other people succeed or fail leads to changes in self-efficacy.
Vignette: A short story that presents a situation that participants are asked to respond to.
Violation of expectation paradigm: A research method in which infants are expected to respond in a particular way because one of two conditions violates or goes against what they should expect based on their everyday experiences (e.g., it violates our expectations that Wile E. Coyote runs off a cliff but does not immediately fall to the ground below).
Violence: Aggression intended to cause extreme physical harm, such as injury or death.
Voluntary responses: Behaviors that a person has control over and completes by choice.
White coat hypertension: A phenomenon in which patients exhibit elevated blood pressure in the hospital or doctor’s office but not in their everyday lives.
Working memory: Memory system that allows for information to be simultaneously stored and utilized or manipulated.
Working models: An understanding of how relationships operate; viewing oneself as worthy of love and others as trustworthy.