"
 intersex

an individual who exhibits sexual characteristics of both sexes.

APGAR score

A measure to determine how well a newborn is doing after birth

Deviant peer contagion

the process by which peers reinforce problem behavior through signs of approval, like laughing, that increase the likelihood of that problem behavior happening again

ectopic pregnancy

fertilized egg implants itself outside of the uterus

Functional play

A type of play through which children learn that they have control of their bodies and objects

false self-training

holding a child to adult standards while denying the child’s developmental needs

infantile amnesia

adults rarely recall personal events from before the age of 3 years

interactionist approach

combines ideas from psychology and biology to explain how language is developed

Neonatal Behavioral Assessment Scale (NBAS)

28 behavioral and 18 reflex items, that assess the baby’s capabilities across different developmental areas (autonomic, motor, state, and social-interactive systems) and describes how infants integrate these areas as they adapt to their new environment

performance-avoidance goals

An academic achievement goal in which the student only wants to avoid failure and is not concerned about learning or competitive success. This is tied to extrinsic motivation.

random assignment

all participants have an equal chance of being assigned to the experimental or control group

secure attachment
semantic memory 

knowledge about words, concepts, and language-based knowledge and facts

specific intelligence factors
accommodation

when we restructure or modify what we already know so that new information can fit in better

active gene-environment correlation

when ones' genes influence the environments and experiences that one seeks out

adoption studies

compare those rates among biologically related relatives and adopted relatives

Adverse Childhood Experiences

potentially traumatic events that occur in childhood (http://cdc.gov/aces/about/index.html)

allele

a specific version of a gene

amygdala

part of the limbic system in the brain, which is involved
with emotions and emotional responses and is particularly active during puberty

analytic thought

deliberate, conscious, and rational (logical) thought

analytical intelligence

academic problem solving and performing calculations

Animism

the belief that inanimate objects are capable of actions and have lifelike qualities

anorexia nervosa

an eating disorder characterized by self- starvation. Affected individuals voluntarily under-eat and often over-exercise, depriving their vital organs of nutrition. Anorexia can be fatal

applied research

focus on a specific problem

Artificialism

the belief that environmental characteristics can be attributed to human actions or interventions

assimilation

when we modify or change new information to fit into our schemas (what we already know)

associative play

children playing in their own ways and not working towards a shared goal

Attachment

the emotional bond between a human infant or a young nonhuman animal and its caregiver (https://dictionary.apa.org/attachment)

Attrition

loss of participants over time

autistic savants

people who score low on intelligence tests overall but who nevertheless may have exceptional skills in a given domain

autobiographical memory

our personal narrative

autosomal dominant

some genes are considered dominant because they will be expressed

autosomal recessive

only expressed in the absence of a dominant gene

Average

liked by a small group of peers and not disliked by very many

Avoidant attachment

in the Strange Situation, a form of insecure attachment in which infants do not seek proximity to their parent after separation. Instead, the infant does not appear distressed by the separation and avoids the returning parent. (https://dictionary.apa.org/avoidant-attachment)

axons

fibers that extend from the neurons and transmit electrochemical impulses from that neuron to the dendrites of other neurons

babbling
Basic research

aimed at formulating and testing fundamental psychological principles governing a domain of interest

behavioral approach

the approach that suggests that the keys to understanding development are observable behavior and outside stimuli in the environment

Behavioral geneticists
Behavioral genetics

study how individual differences arise through the interaction of genes and the environment

bilingual

meaning that they understand and use two languages

Binet-Simon test

the first tool for the assessment of intelligence was aimed to detect and support children with special needs

binge-eating disorder

an eating disorder characterized by recurrent episodes of eating large quantities of food (often very quickly and to the point of discomfort); a feeling of a loss of control during the binge; experiencing shame, distress, or guilt afterwards; and not regularly using unhealthy compensatory measures (e.g., purging) to counter the binge eating. It is the most common eating disorder in the United States

bioecological model

the perspective suggesting that multiple levels of the environment interact with biological potential to influence development

Bisexuality

sexual orientation characterized by romantic, emotional, and/or sexual attraction to, or engagement in romantic or sexual relationships with, more than one gender

body dissatisfactionb

negative subjective evaluation of the weight and shape of one’s own body, which may predict the onset, severity, and treatment outcomes of eating disorders

body image

a person’s idea of how his or her body looks

Broca’s area

responsible for language production

bulimia nervosa

an eating disorder characterized by binge eating and subsequent purging, usually by induced vomiting and/or use of laxative

Bullying

unwanted, aggressive behavior among school-aged children that happens repeatedly and involves a power imbalance

canalization

the degree to which environmental factors impact the expression of a gene

Centration

the act of focusing all attention on one characteristic or dimension of a situation while disregarding all others

cephalocaudal

from the head down

cephalocaudal development

pattern of growth from head to toe

Child abuse

harm to a child caused by a parent or other caregiver. The harm may be physical (violence), sexual (violation or exploitation), psychological (causing emotional distress), or neglect (failure to provide needed care). (https://dictionary.apa.org/child-abuse)

Child Maltreatment

Any recent act or failure to act on the part of a parent or caretaker which results in death, serious physical or emotional harm, sexual abuse or exploitation; or an act or failure to act, which presents an imminent risk of serious harm.

Child neglect

The failure of a parent or caretaker to provide for a child’s needs to the degree that the child’s health, safety, and well-being are threatened with harm.

child-directed speech

Language that involves exaggerating the vowel and consonant sounds, using a high-pitched voice, and delivering the phrase with great facial expression

Chromosomes

long threadlike structures found in a cell nucleus that contains genetic material known as deoxyribonucleic acid (DNA)

chronosystem

the environmental events and transitions that occur throughout a child’s life, including any socio-historical events

Cisgender

umbrella term used to describe people whose sense of personal identity and gender corresponds with their birth sex

Class inclusion

a kind of conceptual thinking that children in the preoperational stage cannot yet grasp

Classification

new ways of arranging information, categorizing information, or creating classes of information

clique

a group of individuals who frequently interact with one another and share similar interests

cognitive approach

the area of psychology that focuses on studying cognitions, or thoughts, and their relationship to our experiences and our actions

Cognitive development

Growth and changes in learning, attention, memory, language, thinking, reasoning, and creativity

cohort

a group of people who are born at roughly the same time period in a particular society

cohort effects

experiences specific to their generation, such as differences in education, economic conditions, advances in technology, or changes in health and nutrition standards, and not due to age-related changes

Colostrum

the first secretion from the mammary glands after giving birth, rich in antibodies

concordance rates

rates of similarity on a given trait

confirmation bias

look for evidence to support that hunch, ignoring evidence that would tell us our hunch is false

confounding variable

a factor not being studied that may actually be causing the systematic movement in the variables of interest

Conservation

the awareness that altering a substance's appearance does not change its basic properties

constructive play

Play associated with manipulating objects to create or learn something

Constructivism

how people actively create (or "construct") knowledge out of experiences

contextual approach

a theory that considers the relationship between individuals and their physical, cognitive, and social worlds

Continuous development

view development as a cumulative process, gradually improving on existing skills

control group

a comparison group that is equivalent to the experimental group, but is not given the independent variable

Controversial

both liked and disliked by their peers

convergent thinking

thinking that is directed toward finding the correct answer to a given problem

Cooing

simple vowel sounds, such as “ooh” or “aah”

cooperative play

a type of play in which children play with others and coordinate their behaviors to achieve a common goal

Correlation

a relationship between two or more variables

correlation coefficient

a number from -1 to +1 that indicates the strength and direction of the relationship between variables

cortex

the outer layers of the brain in humans and other mammals. Most thinking, feeling, and sensing involves the cortex

creative intelligence

the ability to adapt to new situations and create new ideas

critical periods

finite time spans in which specific experiences must occur for successful development

Critical thinking

detailed examination of beliefs, courses of action, and evidence

Cross-sectional research

used to examine behavior in participants of different ages who are tested at the same point in time; may confound age and cohort differences

Crowds

large groups of adolescents socially connected by a shared image and reputation reputation

Crystallized intelligence

Acquired knowledge and the ability to retrieve it.

Cultural identity

how people come to terms with whom they are based on their ethnic, racial, and cultural ancestry

Culture

blueprint or guideline shared by a group of people that specifies how to live; passed down from generation to generation; learned from parents and others

decenter

focus on more than one feature of a problem at a time

deductive reasoning

ideas are tested against the empirical world

dendrites

fibers that extend from neurons and receive electrochemical impulses transmitted from other neurons via their axons

dependent variable

what the researcher measures to see how much effect the independent variable had

deviation IQ

The modern calculation of an IQ score from intelligence tests. It is the absolute measure of how far an individual differs from the mean score of an intelligence test. The mean score is usually 100 with a standard deviation of 15.

discontinuous

view development as taking place in unique stages and occurring at specific times or ages

disequilibrium

a state where new information does not readily integrate into our existing understanding of the world

disorganized attachment

in the Strange Situation, a form of insecure attachment in which infants show no coherent or consistent behavior during separation from and reunion with their parents. (https://dictionary.apa.org/disorganized-attachment)

divergent thinking

the ability to generate many different ideas or solutions to a single problem

divided attention

the ability to pay attention to two or more stimuli at the same time

dizygotic twins

Fraternal twins: when two eggs are released and fertilized by two separate sperm; the twins share the same amount of genetic material as would any two children from the same mother and father

Dopamine

a neurotransmitter in the brain that plays a role in pleasure and the reward system; increases in the limbic system and later in the prefrontal cortex during adolescence

double-blind study

both the researchers and the participants are blind to group assignments

dual-process model

the notion that humans have two distinct networks for processing information

ecological systems theory

Urie Bronfenbrenner’s theory stressing the importance of studying a child in the context of
multiple environments, organized into five levels of external influence: microsystem, mesosystem, exosystem, macrosystem, and chronosystem

ectopic pregnancy

fertilized egg implants itself outside of the uterus

Egocentrism

the tendency of young children to think that everyone sees things in the same way as the child

embryo

a multi-celled organism between two and eight weeks after fertilization

emotion regulation

the ability to manage or moderate one's emotions

Emotional self-regulation

strategies we use to control our emotional states so that we can attain goals

empirical questions

to learning based on observation, and scientists learn about the natural world systematically, by carefully planning, making, recording, and analyzing observations of it

encoding

the input of information into the memory system

epigenetics

A field of study that looks beyond the genotype itself and studies how the same genotype can be expressed in different ways; in other words, how the same genotype can lead to very different phenotypes

Episodic memory

information about events we have personally experienced

equilibrium

a state of balance in your mental framework

Ethnic identity

how people come to terms with who they are based on their ethnic or racial ancestry

evocative gene-environment correlation

one's genes elicit a certain type of reaction from individuals with whom they engage

Executive function

self-regulatory processes, such as the ability to inhibit behavior or cognitive flexibility, that enable adaptive responses to new situations or to reach a specific goal

exosystem

influences that do not directly involve the child, yet have an influence

Experience-dependent plasticity

changes in existing neural circuits that occur in response to specific learning experiences that vary across individuals

Experience-expectant plasticity

neural circuits that require specific types of input from the environment to develop

experimental group

the group of participants in an experiment who receive the independent variable

Experimenter bias

the possibility that a researcher’s expectations might skew the results of the study

Explicit memories

memories we consciously try to remember and recall

externalizing disorders

Externalizing behaviors and disorders are characterized primarily by actions in the external world, such as acting out, antisocial behavior, hostility, and aggression. (https://dictionary.apa.org/externalizing-internalizing)

extrinsic motivation

Motivation for something driven by external rewards or punishments.

failure to thrive

decelerated or arrested physical growth (height and weight measurements fall below the third or fifth percentile or a downward change in growth across two major growth percentiles) and is associated with abnormal growth and development

Fairness

implies that all data must be considered when evaluating a hypothesis

false-belief task

task used to determine if a child has theory of mind

Falsifiability

whether a hypothesis can be disproved

falsifiable

capable of being shown to be incorrect

fast-mapping

Words are easily learned by making connections between new words and concepts already known

feral child

a human child who has lived isolated from human contact from a very young age

fetal alcohol spectrum disorders (FASD)

a group of abnormalities in babies born to mothers who consume alcohol during pregnancy

Fetal Alcohol Spectrum Disorders (FASD)

a collection of developmental disorders affecting offspring that result from an individual drinking alcohol while she is pregnant

fetus

term used for a developing prenate during the fetal period

fine motor skills

physical abilities involving small body movements, especially of the hands and fingers, such as drawing and picking up a coin.

Fluid intelligence

The ability to see complex relationships and solve problems.

Flynn effect

the observation that scores on intelligence tests worldwide have increased substantially over the past decades

frontal lobe

the parts of the brain involved in impulse control, planning, and higher-order thinking; still developing in adolescence

gametes

sex cell involved in reproduction: the male gametes, or sperm, and female gametes, or ova

gender

the socially constructed characteristics of women and men, such as norms, roles, and relationships between groups of women and men

gender constancy

the understanding that superficial changes do not mean that gender has actually changed

Gender expression

how one demonstrates gender (based on traditional gender role norms related to clothing, behavior, and interactions), can be feminine, masculine, androgynous, or somewhere along a spectrum

gender identities

a person’s psychological sense of self in relation to their gender. Many people describe gender identity as a deeply felt, inherent sense of being a boy, a man, or male; a girl, a woman, or female; or a nonbinary gender (e.g., genderqueer, gender-neutral, agender, gender-fluid, transgender) that may or may not correspond to a person’s sex assigned at birth, presumed gender based on sex assignment, or primary or secondary sex characteristics. (https://dictionary.apa.org/gender-identity)

Gender identity

one’s self-conception of their gender

gender schema theory

children develop their own conceptions of the attributes associated with maleness or femaleness

gender schemas

the organized set of beliefs and expectations that guides one’s understanding of gender.

general intelligence factor, "g"

The single underlying factor that affects cognitive abilities.

genes

sequences of DNA make

Genetic variation

the genetic difference between individuals

genotype

the genetic makeup of that individual

Giftedness

refers to those who have an IQ of 130 or higher

Glial cells

provide scaffolding on which the nervous system is built, help neurons line up closely with each other to allow neuronal communication, provide insulation to neurons, transport nutrients and waste products, and mediate immune responses

goodness-of-fit

When a child's temperment matches well with the style of their caregiver's responses.

grammar

rules of a language, including how we order the words and change the order to indicate different meanings

gross motor skills

voluntary movements including the use of large muscle groups such as the arms and legs. The word “gross” in this context means “big”

guided participation

where a learner actively acquires new culturally valuable skills and capabilities through a meaningful, collaborative activity with an assisting, more experienced other

Hawthorne effect

people tend to change their behavior when they know they are being watched

Heredity

the passing on of traits from parents to their offspring

heritability

How much variation of a trait in a population is due to genetic factors.

heteronormative society

assumption that heterosexuality is the norm and that sexual orientation is biologically determined and unambiguous

Heterosexuality

sexual, romantic, or emotional attraction or activity between members of the opposite sex

heterozygous

a combination of different alleles for a given gene

holophrasic speech

one word expressions

homozygous

two copies of the same allele

hypothesis

a testable prediction that is arrived at logically from a theory

hypothetical-deductive reasoning

developing hypotheses based on what might logically occur

idealistic

to insist upon high standards of behavior

Identity achievement

refers to those who, after exploration, have committed

Identity diffusion

a status that characterizes those who have neither explored the options nor made a commitment to an identity

identity foreclosure

individuals who have committed to an identity without having explored the options

Identity moratorium

status that describes those who are actively exploring in an attempt to establish identity but have yet to have made any commitment

Illusory correlations

false correlations that occur when people believe that relationships exist between two things when no such relationship exists

imaginary audience

the adolescent's belief that those around them are as concerned and focused on their appearance as they themselves are

Implicit memories

memories that are not part of our consciousness

independent variable

variable that is manipulated or controlled by the experimenter

inductive reasoning

empirical observations lead to new ideas

Infantile marasmus

starvation due to a lack of calories and protein

Information-processing theories

a model that seeks to identify the ways individual take in, use, and store information

informed consent

process through which participants are informed of the procedures to be used in the research, along with any expected risks or benefits

Intellectual disability

Individuals who have an IQ less than 70

intelligence

a single broad ability that allows a person to solve or complete many sorts of tasks, or at least many academic tasks like reading, knowledge of vocabulary, and the solving of logical problems

intelligence quotient (IQ)

a measure of intelligence that is adjusted for age

interactionist approach

combines ideas from psychology and biology to explain how language is developed

intrinsic motivation

Internal motivation to engage in something due to interest and satisfaction.

introspection

thinking about one's thoughts and feelings

Intuitive thought

automatic, unconscious, and fast thought, and it is more experiential and emotional

IQ

Short for “intelligence quotient.” This is a score, typically obtained from a widely used measure of intelligence that is meant to rank a person’s intellectual ability against that of others

Irreversibility

refers to the young child's difficulty mentally reversing a sequence of events

kwashiorkor

also known as the “disease of the displaced child,” results in a loss of appetite and swelling of the abdomen as the body begins to break down the vital organs as a source of protein

Language

a system of communication that uses symbols in a regular way to create meaning

Lateralization

the process in which different functions become localized primarily on one side of the brain

Life chances

a term used to describe someone’s access to marketplace resources

limbic system

structures in the brain (including the amygdala) that involve processing emotional experience and social information and determining rewards and punishments; develops years before the prefrontal cortex

Long-term memory (LTM)

the continuous storage of information

Longitudinal research

studying a group of people who may be of the same age and background (cohort), and measuring them repeatedly over a long period of time; may confound age and time of measurement effects

macrosystem

the broader contexts of the community, including cultural, political, educational, legal, and religious systems

major depressive disorder

a medical illness that can interfere with a person’s ability to handle daily activities, such as sleeping, eating, or managing responsibilities

Malnutrition

a condition that results from eating a diet in which one or more nutrients are deficient

MAMA cycling

moving back and forth between moratorium and achievement

mastery goal

An academic achievement goal in which a student wants to learn and master the material. This is tied to intrinsic motivation.

masturbation

sexual self-stimulation, usually achieved by touching, stroking, or massaging the male or female genitals until this triggers an orgasm

meiosis

the process in which segments of the chromosomes from each parent form pairs

melatonin

sleep hormone whose levels rise later at night and decrease later in the morning for teens, compared to children and adults

Memory

the set of processes used to encode, store, and retrieve information over different periods of time

memory consolidation

move STM into long-term memory

mental age

the age at which a person is performing intellectually

mesosystem

interaction of the microsystems

metacognition

reflecting on and monitoring of thinking itself

method of research

description

microsystems

direct, significant contact with others

mitosis

the process of cell division

Monozygotic twins

identical twins; occurs when a single zygote or fertilized egg splits apart in the first two weeks of development; the creation of two separate but genetically identical offspring

morpheme

a string of one or more phonemes that makes up the smallest units of meaning in a language

multifactorial

a result of many factors, both genetic and environmental

muscle dysmorphia

extreme concern with becoming more muscular

mutation

a sudden, permanent change in a gene

myelin

a coating of fatty tissues around the axon of the neuron

myelination

an aspect of brain maturation in which more myelin is formed around the axons of neurons, thereby increasing neural transmission

nature

role of biological factors (genes) in development

negative correlation

a decrease in one variable is associated with an increase in the other and vice versa

Neglect

The failure of a parent, guardian, or other caregivers to provide for a child’s basic needs.

Neglected

not especially liked or disliked by peers and tend to go unnoticed

Neurons

nerve cells in the central nervous system, especially in the brain

neuroplasticity

the selective elimination of non-essential synapses and the strengthening of important neural connections

neurotransmitters

brain chemicals that carry information from the axon of a sending neuron to the dendrites of a receiving neuron

nurture

role of environment in development

object permanence

the realization that objects or people continue to exist when they are no longer in sight

observational learning

learning by watching others and then imitating, or modeling, what they do or say

observational method

watching and recording of a specific behavior of participants

occipital lobe

processes visual information

Onlooker play

children are observing others

operational definition

a description of how we will measure our variables

Organogenesis

The process of organ formation.

overextension

a label applies to all objects that are similar to the original object

overregularization
overregulate

intuitively discover a grammatical rule and overgeneralize it to new words

pansexuality

the romantic, emotional, and/or sexual attraction to people regardless of their gender

parallel play

playing near other children, but not playing with them

parietal lobe

responsible primarily for processing information about touch

Parten's stages of play

a theory that categorizes the ways children socialize while playing

Participants

individuals who are involved in psychological research actively participate in the process

Passive genotype-environment correlation

occurs when children passively inherit the genes and the environments their family provides

Peer pressure

a group influencing an individual to conform to something, whether that be a belief or a behavior

percentile

a point on a ranking scale of 0 to 100. The 50th percentile is the midpoint; half of the infants in the population being
studied rank higher, and half rank lower

perception

the process of interpreting what is sensed

performance goal

An academic achievement goal in which a student wants to perform well in front of their teacher and other students. This is tied to extrinsic motivation.

personal fable

belief that one is unique, special, and invulnerable to harm

Phenotype

refers to the individual’s inherited expressed characteristics

phoneme

the smallest unit of sound that makes a meaningful difference in a language

Physical Abuse

nonaccidental physical injury that is inflicted by a parent, caregiver, or other people who have responsibility for the child

Physical bullying

hurting a person’s body or possessions by hitting, kicking, spitting, or breaking their belongings

Physical development

Growth and changes in the body and brain, the senses, motor skills, and health and wellness

pincer grasp

a developmental milestone that typically occurs at 9 to 12 months of age; the coordination of the index finger and thumb to hold smaller objects; represents a further development of fine motor skills

placebo effect

occurs when people's expectations or beliefs influence or determine their experience in a given situation

placenta

structure connected to the uterus that provides nourishment and oxygen from the mother to the developing embryo via the umbilical cord

polygenic

a result of many genes

polysexuality

sexual attraction to various, but not necessarily all, genders

Popular

children who are liked by many of their peers and disliked by few

positive correlation

as one variable increases so does the other

Positive stress

(also called eustress) the positive stress response, involving optimal levels of stimulation: a type of stress that results from challenging but attainable and enjoyable or worthwhile tasks (https://dictionary.apa.org/eustress)

Poverty

the state of not having access to material resources, wealth, or income, and also includes the lack of opportunity to improve one’s standard of living and acquire resources

practical intelligence

the ability to demonstrate common sense and street-smarts

practice effect

participants becoming better at a task over time because they have done it again and again

pragmatics

how we communicate effectively and appropriately with others

Predictability

implies that the theory should enable us to make predictions about future events

prefrontal cortex

the area of the cortex at the very front of the brain that specializes in anticipation, planning, and impulse control

pregnancy-related death

the death of an individual while pregnant or within 1 year of the end of a pregnancy from any cause related to or aggravated by the pregnancy

Prenatal diagnosis

focuses on pursuing detailed information once a particular problem has been found prenatally, and can sometimes be more invasive

Prenatal screening

assessing anatomic and physiologic problems with the health of the zygote, embryo, or fetus, either before gestation even starts or as early in gestation as practical

primary circular reaction

a repetitive behavior that centers on the infant's own body

primary emotions

also called basic emotions; rudimentary emotions that are present in humans universally

private speech

thought accompanied by internal speech

Procedural memory

information about how to do things

proximodistal

starts at the center of the body and moves toward extremities

proximodistal development

pattern of growth from torso to out

psychodynamic approach

the perspective that behavior is motivated by inner forces, memories, and conflicts that are generally beyond people’s awareness and control

psychological constructivism

changes in thinking resulting from individual experiences

Psychological Maltreatment

A pattern of behavior that impairs a child’s emotional development or sense of self-worth.

psychological moratorium

teens put a on hold commitment to an identity while exploring the options

Psychosocial development

Growth and changes in emotions, personality, and social relationships

qualitative research

Research focused on the experiences of participants, rather than numerical data.

quantitative genetics

the scientific discipline in which similarities among individuals are analyzed based on how biologically related they are

Quantitative research

Quantitative research involves collecting data from a large group, which is used to answer specific research questions and to generalize conclusions about behavior to larger populations.

random assignment

every participant has an equally likely chance of being placed in any of the groups; results in a balance of the variables related to the construct of interest

random sample

every member of the population an equal chance of being selected for the sample

Range of reaction

our genes set the boundaries within which we can operate, and our environment interacts with the genes to determine where in that range we will fall

ratio IQ

The original scoring method of the Binet-Simon test. IQ = mental age ÷ chronological age × 100

Recall

access information without cues

recasting

encourage elaboration

receptive language

can understand more than they can say, which is referred to

Recognition

identify information that you have previously learned after encountering it again

reflexes

the inborn behavioral patterns that develop during uterine life and are fully present at birth. These are involuntary movements (not learned) or actions that are essential for a newborn’s survival immediately after birth and include: sucking, swallowing, blinking, urinating, hiccuping, and defecating

rehearsal

the conscious repetition of information to be remembered

Rejected

disliked by most of their peers and liked by very few

relativistic thinking

questioning others' assertions and less likely to accept information as absolute truth

relearning

learning information that you previously learned

Reliability

the ability to consistently produce a given result

reliable

Scores obtained on a measure are consistent over time.

Resistant attachment

in the Strange Situation, a form of insecure attachment in which infants show a combination of positive and negative responses toward a parent. After separation, for example, infants may simultaneously seek and resist close contact with the returning parent. (http://dictionary.apa.org/ambivalent-attachment)

Resistant attachment

in the Strange Situation, a form of insecure attachment in which infants show a combination of positive and negative responses toward a parent. After separation, for example, infants may simultaneously seek and resist close contact with the returning parent. (https://dictionary.apa.org/ambivalent-attachment)

retrieval

The act of getting information out of memory storage and back into conscious awareness

reversibility

the ability to think about the steps of a process in any order

sample

a group of individuals chosen from the population

scaffolding

a process in which adults or capable peers model or demonstrate how to solve a problem, and then step back, offering support as needed

schema

a set of linked mental representations of the world, which we use both to understand and to respond to situations

searching moratorium

re-exploring after a commitment has been made

secondary circular reactions

Interactions between the baby and something else

secondary emotions

combinations of primary emotions; often includes a social aspect (e.g., self-reflection) and is culturally-specific

secure attachmen

in the Strange Situation, the positive parent–child relationship, in which the child displays confidence when the parent is present, shows mild distress when the parent leaves, and quickly reestablishes contact when the parent returns. (https://dictionary.apa.org/secure-attachment)

secure attachment

in the Strange Situation, the positive parent–child relationship, in which the child displays confidence when the parent is present, shows mild distress when the parent leaves, and quickly reestablishes contact when the parent returns. (https://dictionary.apa.org/secure-attachment)

secure base

a place of safety, represented by an attachment figure (e.g., a parent), that an infant uses as a base from which to explore a novel environment (https://dictionary.apa.org/secure-base)

selective attention

the process by which one focuses on one stimulus while tuning out another

selective attrition

loss of certain groups of individuals over time

self-awareness

The realization that one's body, mind, and activities are distinct from those of other people

self-concept

idea of who we are, what we are capable of doing, and how we think and feel is a social process that involves taking into consideration how others view us

self-efficacy

a person’s belief that he or she is able to effectively perform the tasks needed to attain a valued goal

Self-esteem

one’s thoughts and feelings about one’s self-concept and identity--it is an evaluative judgment about who we are

self-handicapping

deliberate actions and choices that reduce the chances of success

Semantics

set of rules we use to obtain meaning from morphemes

sensation

the interaction of information with the sensory receptors

sensitive period

requires particular experiences during a specific time for development to occur; experiences after the period ends can support developmental gains later in life

separation anxiety

a form of distress experienced when not with a caregiver or attachment figure

Sequential research

combines aspects of cross-sectional and longitudinal designs, but also adding new cohorts at different times of measurement; allows for analyses to consider effects of age, cohort, time of measurement, and socio-historical change

Serotonin

“calming chemical,” a neurotransmitter in the brain involved with the regulation of mood and behavior; serotonin levels increase in the limbic system during adolescence

Sex

the term to refer to the biological differences between males and females, such as genitalia and genetic differences

Sex-linked traits

genes located on a sex chromosome (the 23rd pair)

Sexual abuse

“the employment, use, persuasion, inducement, enticement, or coercion of any child to engage in, or assist any other person to engage in, any sexually explicit conduct or simulation of such conduct for the purpose of producing a visual depiction of such conduct; or the rape, and in cases of caretaker or inter-familial relationships, statutory rape, molestation, prostitution, or other forms of sexual exploitation of children, or incest with children” (Child Welfare Information Gateway, 2008).

sexual behavior

not only physical practices but also attitudes, experiences, desires, preferences, and a variety of related psychological and social phenomena, including any actions related not only to reproduction but also to pleasurable satisfaction (https://dictionary.apa.org/sexual-behavior)

Sexual identity

how one thinks of oneself in terms of to whom one is romantically or sexually attracted

sexual orientation

a person’s sexual and emotional attraction to another person

Short-term memory (STM)

a temporary storage system that processes incoming sensory memory

Simple random sampling

a technique to ensure that all members have an equal chance of being selected

single-blind study

the participants are unaware as to which group they are in (experiment or control group) while the researcher knows which participants are in each group

Social bullying

referred to as relational bullying; when a person tries to cause harm to another person's reputation and relationships. It can be done by purposely excluding someone or getting others to exclude them, spreading rumors, or embarrassing them in public

social cognitive theory

learning by observing the behavior of
another person, called a model

social constructivism

changes in thinking due to assistance from others

Social learning theory

suggests that gender role socialization is a result of how parents, teachers, friends, schools, religious institutions, media, and others send messages about what is acceptable or desirable behavior for males or females

social mobility

the ability to change one’s economic status in a society

social referencing

an infant looks to the mother’s face when confronted with an unfamiliar person or situation

social smiling

an intentional smile directed at another person

socialization

a process in which people learn to behave in a particular way as dictated by societal values, beliefs, and attitudes

sociocultural theory

Vygotsky’s theory that emphasizes how cognitive development proceeds as a result of social interactions between members of a culture

Socioeconomic status

a way to identify families and households based on their shared levels of education, income, and occupation

Sociometric status

a measurement that reflects the degree to which someone is liked or disliked by their peers

solitary play

children play alone and maintain focus on their activity

specific intelligence factors
specific intelligence factors ("s")

Specific skills a person has that relate to certain intelligence tasks.

Stanford-Binet intelligence test

measures general intelligence through a variety of tasks, including vocabulary, memory for pictures, naming of familiar objects, repeating sentences, and following commands

statistical significance

there is less than a 5% probability that the results happened just by random chance, and therefore, a 95% probability that the results reflect a meaningful pattern

Stereotype threat

the idea that mental access to a particular stereotype can have real-world impact on a member of the stereotyped group

Storage

the creation of a permanent record of information

Strange Situation

an experimental procedure used to assess the quality of attachment between caregivers and infants / toddlers

stranger anxiety

a form of distress experienced when encountering a new person

Sudden Infant Death Syndrome (SIDS)

a situation in which a seemingly healthy infant, usually between 2 and 6 months old, suddenly stops breathing and dies unexpectedly while asleep

symbolic play

pretend play

synapses

the intersection between the axon of one neuron to the dendrites of another neuron

synaptic pruning

the selective elimination of non-essential synapses and the strengthening of important neural connections

Synaptogenesis

the formation of connections between neurons

syncretism

refers to a tendency to think that if two events occur simultaneously, one caused the other

Syntax

the set of rules of a language by which we construct sentences

systematic empiricism

to learning based on observation systematically, by carefully planning, making, recording, and analyzing observations of it

Telegraphic speech

speech that omits unnecessary words (e.g., the, a)

Temperament

This is an inborn quality noticeable soon after birth which can contribute to personality differences.

temporal lobe

responsible for hearing and language

teratogens

any agent which can cause a birth defect

teratology

the study of factors that contribute to birth defects

tertiary circular reactions

repeated experimentation with objects

theory

a well-developed set of ideas that propose an explanation for observed phenomena that can be used to make predictions about future observations

Theory of mind

one’s ability to think about other people’s thoughts and to perceive and interpret other people’s behavior in terms of their mental states

theory of multiple intelligences

theory of intelligence that proposes that there is not one, but 9 domains of intelligence

Tolerable stress

comes from adverse experiences that are more intense but short-lived and can usually be overcome

Toxic stress

stress that is prolonged, severe, or chronic, can cause significant problems with health and development (https://acf.gov/trauma-toolkit/toxic-stress)

Transductive reasoning

when a child fails to understand the true relationships between cause and effect

transgender

a term used to describe people whose sense of personal identity does not correspond with their birth sex

transient exuberance

the great, but temporary increase in the number of dendrites that develop in an infant’s brain during the first
two years of life

Transitive inference

using previous knowledge to determine the missing piece, using basic logic

transitivity

a relationship between two elements is carried over to other elements logically related to the first two, such as if A<B and B<C, then A<C

Triarchic Theory of Intelligence

Intelligence theory that suggests that people may display more or less analytical intelligence, creative intelligence, and practical intelligence

Twin studies

compare the rates that a given behavioral trait is shared among identical and fraternal twins

umbilical cord

Connects uterus to placenta

underextension

a word that is used for only a particular object

Unoccupied

the child is not playing

valid

The results of a measure are accurate to what the researcher is trying to measure

Validity

the extent to which a given instrument or tool accurately measures what it’s supposed to measure

Verbal bullying

saying or writing mean things about another person including name-calling, inappropriate sexual comments, taunting, and threatening to cause harm

Verifiability

an experiment must be replicable by another researcher

vicarious punishment

if you observed the model being punished, you would be less motivated to copy them

vicarious reinforcement

If you saw that the model was reinforced for their behavior, you will be more motivated to copy them

Wechsler Adult lntelligence Scale (WAIS)

the most widely used intelligence test for adults

Wernicke’s area

responsible for language comprehension

working memory

where the "work" of memory happens

zone of proximal development

the difference between what a learner can do without help, and what they can do with help

zone of proximal development (ZPD)

the range of material that a child is ready to learn if proper support and guidance are given from either a peer who understands the material or by an adult

zygote

fertilized egg cell, containing the combined genetic information from both parents

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Child and Adolescent Development: A Topical Approach (2nd Edition) Copyright © 2023 by Krisztina V. Jakobsen and Paige Fischer is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.