Unit 6: Developmental Psychology

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1

Developmental psychology

A branch of psychology that studies physical, cognitive, and social change throughout the lifespan

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Nature vs. Nurture

-Nature: Innate biological factors that influence development and personality -Nurture: External and environmental factors, including learning, that influence development and personality

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Continuity v. stages

Is development a gradual process or a sequence of stages?

<p>Is development a gradual process or a sequence of stages?</p>
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Stability v. change

Stability implies personality traits present during infancy endure throughout the lifespan. In contrast, change theorists argue that personalities are modified by interactions with family, experiences at school, and acculturation

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Germinal stage

first 2 weeks Conception, implantation, formation of placenta Fewer than half survive beyond this stage

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Embryonic stage

2 weeks - 2 months Formation of vital organs and systems Most dangerous/harmful time for mother to use harmful substances because vital organs are being formed

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Fetal stage

2 months - birth Bodily growth continues, movement capability begins, and brain cells multiply Age of viability - after 25 weeks (can exist outside of womb)

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Maternal nutrition

Malnutrition linked to increased risk of birth complications, neurological problems, and psychopathology

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Maternal drug use

Tobacco, alcohol, prescription, and recreational drugs Fetal alcohol syndrome causes face misproportions

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Teratogens

Agents, such as chemicals and viruses, that can reach the embryo and fetus during prenatal development and cause harm

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Grasping reflex

Babies grab something in their palm like a finger

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Rooting reflex

Baby will turn towards your hand when you brush their cheek or mouth Helps babies find bottle or nipple for feeding

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Cephalocaudal trend

head to foot development babies can move their heads before their feet

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Proximodistal trend

center to outward babies can move their limbs before developing fine motor skills

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habituation

decreasing responsiveness with repeated stimulation. As infants gain familiarity with repeated exposure to a visual stimulus, their interest wanes and they look away sooner.

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maturation

biological growth processes that enable orderly changes in behavior, relatively uninfluenced by experience

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longnitudinal study

study the same subject/group over time Pro: Allows you to avoid confounding factors Con: people may drop out, takes longer

<p>study the same subject/group over time Pro: Allows you to avoid confounding factors Con: people may drop out, takes longer</p>
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Cross-sectional study

studying different groups of different ages/characteristics at the same time Pro: Immediate and easier Con: Possible confounding variables Generational differences Events that happen in people’s lives Nature vs nurture

<p>studying different groups of different ages/characteristics at the same time Pro: Immediate and easier Con: Possible confounding variables Generational differences Events that happen in people’s lives Nature vs nurture</p>
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Differences in Temperments of Babies (Kagan & Snidman, 1991)

-Inhibited: 15 - 20% -uninhibited: 25 - 30%; become stable over time, genetically based

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Mary Ainsworth

-created the strange situation (1979) and studied patterns of attachment -secure, anxious-ambivalent, and avoidant attachment

<p>-created the strange situation (1979) and studied patterns of attachment -secure, anxious-ambivalent, and avoidant attachment</p>
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Secure attachment

-from strange situation experiment by Ainsworth -Indicative of authoritative parenting style, 70% of infants, distressed when mom leaves, happy when she comes back

<p>-from strange situation experiment by Ainsworth -Indicative of authoritative parenting style, 70% of infants, distressed when mom leaves, happy when she comes back</p>
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Anxious-ambivalent attachment

-from strange situation experiment by Ainsworth -Indicative of authoritarian parenting style, distressed when separated from the caregiver but does not feel reassured when the caregiver returns, 15%

<p>-from strange situation experiment by Ainsworth -Indicative of authoritarian parenting style, distressed when separated from the caregiver but does not feel reassured when the caregiver returns, 15%</p>
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Avoidant attachment

-from strange situation experiment by Ainsworth -Indicative of hands off parenting style, doesn't care about mom and is equally comfortable with a stranger, 15%

<p>-from strange situation experiment by Ainsworth -Indicative of hands off parenting style, doesn&apos;t care about mom and is equally comfortable with a stranger, 15%</p>
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Erik Erickson

-Eight stages spanning the lifespan -Psychosocial crises determine balance between opposing polarities in personality -Key challenge is forming a sense of identity

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Visual Cliff Experiment

knowt flashcard image
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Jean Piaget

studied children to understand how children acquired knowledge and skills; cognitive development

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schema

a concept or framework that organizes and interprets information

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assimilation

interpreting one's new experience in terms of one's existing schemas

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accomodation

adapting one's current understandings (schemas) to incorporate new information

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object permanence

the awareness that things continue to exist even when not perceived, Piaget thought iy developed at 2 years of age

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Representational thought

whenever one thinks about his or her surroundings using images or language

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conservation

the principle that properties such as mass, volume, and number remain the same despite changes in the forms of objects, develops between ages 7-11

<p>the principle that properties such as mass, volume, and number remain the same despite changes in the forms of objects, develops between ages 7-11</p>
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egocentrism

iin Piaget's theory, the preoperational child's difficulty taking another's point of view “Why does the sun shine?” “So I can play outside!”

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theory of mind

people's ideas about their own and others' mental states- about their feelings, perceptions, and thoughts and the behavior these might predict

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sensorimotor stage

coordination of sensory input and motor responses; development of object permanence Birth-2 years

<p>coordination of sensory input and motor responses; development of object permanence Birth-2 years</p>
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preoperational stage

development of symbolic thought marked by irreversibility, centration, and egocentrism 2-7 years

<p>development of symbolic thought marked by irreversibility, centration, and egocentrism 2-7 years</p>
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concrete operational stage

children gain mental operations that enable them to think logically about concrete events, mastery of conservation 7-11 years

<p>children gain mental operations that enable them to think logically about concrete events, mastery of conservation 7-11 years</p>
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formal operational stage

people begin to think logically about abstract concepts; logical systematic thinking 11-adulthood

<p>people begin to think logically about abstract concepts; logical systematic thinking 11-adulthood</p>
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stranger anxiety

the fear of strangers that infants commonly display, beginning by about 8 months of age

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Imprinting

the process by which certain animals form attachments during a critical period very early in life

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attachment

an emotional tie with another person; shown in young children by their seeking closeness to the caregiver and showing distress on separation

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Surrogate monkey experiment

Harry Harlow (1971) found that the baby monkeys preferred to cling to the terry cloth surrogate even when food was provided by the wire surrogate, comfort and stability over food

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critical period

an optimal period shortly after birth when an organism's exposure to certain stimuli or experiences produces proper development

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Erikson Stage 1

Trust vs mistrust Is my world predictable and supportive? First year of life

<p>Trust vs mistrust Is my world predictable and supportive? First year of life</p>
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Erikson Stage 2

Autonomy vs shame and doubt Can I do things myself or do I rely on others? Second and third years of life

<p>Autonomy vs shame and doubt Can I do things myself or do I rely on others? Second and third years of life</p>
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Erikson stage 3

Initiative vs guilt Am I good or bad? Fourth through sixth years

<p>Initiative vs guilt Am I good or bad? Fourth through sixth years</p>
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Erikson stage 4

Industry vs inferiority Am I competent or worthless? 6-puberty

<p>Industry vs inferiority Am I competent or worthless? 6-puberty</p>
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Erikson stage 5

Identity vs confusion Who am I and where am I going? adolescence

<p>Identity vs confusion Who am I and where am I going? adolescence</p>
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Erikson stage 6

Intimacy vs isolation Do I share my life or live alone? early adulthood

<p>Intimacy vs isolation Do I share my life or live alone? early adulthood</p>
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Erikson stage 7

generativity vs self-absorption Will I produce something of value? middle adulthood

<p>generativity vs self-absorption Will I produce something of value? middle adulthood</p>
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Erikson stage 8

Integrity vs despair Have I lived a full life? Late adulthood

<p>Integrity vs despair Have I lived a full life? Late adulthood</p>
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52

Kholberg

Studied moral development

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53

Preconventional level

Before age 9, children act out of self-interest (not wanting to get in trouble) Stage 1: Obedience and punishment Right vs wrong determined by what you get away with Stage 2: Instrumental relativists Right vs wrong determined by reward

<p>Before age 9, children act out of self-interest (not wanting to get in trouble) Stage 1: Obedience and punishment Right vs wrong determined by what you get away with Stage 2: Instrumental relativists Right vs wrong determined by reward</p>
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Conventional level

Begins in early adolescence (older children, adolescents, and most adults) cares for others and upholds laws and social rules simply because they are the laws and rules (social approval) Stage 3: Good boy/nice girl Right vs wrong determined by approval of others Stage 4: Authority Right vs wrong determined by infallible laws

<p>Begins in early adolescence (older children, adolescents, and most adults) cares for others and upholds laws and social rules simply because they are the laws and rules (social approval) Stage 3: Good boy/nice girl Right vs wrong determined by approval of others Stage 4: Authority Right vs wrong determined by infallible laws</p>
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Postconventional level

Follows own set of ethical principles, only select few reach this level of morality (MLK, Ghandi, Hitler); Rare with adolescents and few adults Stage 5: Social contract Right vs wrong determined by fallible laws, flexible Stage 6: Universal ethics principle Right vs wrong determined by personal abstract principles using many perspectives

<p>Follows own set of ethical principles, only select few reach this level of morality (MLK, Ghandi, Hitler); Rare with adolescents and few adults Stage 5: Social contract Right vs wrong determined by fallible laws, flexible Stage 6: Universal ethics principle Right vs wrong determined by personal abstract principles using many perspectives</p>
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56

Sigmund Freud

studied psychosexual development

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57

Oral stage

Pleasure focused on mouth First 18 months Oral Receptive: oral fixation leads to biting and smoking, passive, needy, sensitive Oral aggressive: oral fixation leads to verbal aggression

<p>Pleasure focused on mouth First 18 months Oral Receptive: oral fixation leads to biting and smoking, passive, needy, sensitive Oral aggressive: oral fixation leads to verbal aggression</p>
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58

Anal stage

Pleasure focused on functions of elimination 1.5-3 years Anal retentive: strict toilet training, obsessively clean, controlling, possessive Anal expulsive: lax toilet training, leads to poor organization and possibly aggression

<p>Pleasure focused on functions of elimination 1.5-3 years Anal retentive: strict toilet training, obsessively clean, controlling, possessive Anal expulsive: lax toilet training, leads to poor organization and possibly aggression</p>
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Phallic stage

Pleasure focused on genitals 3-6 years Issues can lead to vanity and impulsiveness

<p>Pleasure focused on genitals 3-6 years Issues can lead to vanity and impulsiveness</p>
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60

Latency stage

Sexual thoughts repressed, child focuses on social and intellectual skills 6-puberty Issues can lead to immaturity and relationship issues

<p>Sexual thoughts repressed, child focuses on social and intellectual skills 6-puberty Issues can lead to immaturity and relationship issues</p>
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Genital stage

Sexual desires are renewed, seeks relationships with others puberty-adulthood Issues can lead to self-obsessiveness

<p>Sexual desires are renewed, seeks relationships with others puberty-adulthood Issues can lead to self-obsessiveness</p>
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Authortatian parenting

High control with little warmth, no discussions Aim to cultivate hard work, respect, and obedience Produces overachievers

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Authoritative/democratic parenting

High control and high warmth Set rules but allow discussions Best style in theory

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Permissive parenting

Warmth but little control Less rules and punishments Children struggle with independence

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Neglectful parenting

No warmth or control May meet physical needs but nothing else Children struggle with basically everything

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Pubescence/Puberty

the process of physical changes through which a child's body matures into an adult body capable of sexual reproduction

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Primary sex characteristics

Reproductive organs + genitalia

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Secondary sex characteristics

Traits that develop at puberty Examples: breasts, menarche, voice changes, body shape

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Menarche

First occurrence of menstruation Early menarche leads to more distress and emotional difficulty with transition to adolescence

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Spermarche

First occurrence of sperm production Late spermarche leads to distress and emotional difficulty with transition to adolescence

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Adolescence neural changes

Increasing myelinization (faster connections) Synaptic pruning (reshaping neurons) Changes in prefrontal cortex (decision making)

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Maturation

biological growth processes that enable orderly changes in behavior, relatively uninfluenced by experience Maturation differs between sexes Girls who mature early, boys who mature late experience emotional distress with transition to adolescence

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73

James Marcia

studied Identity statuses and development

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74

Identity diffusion

Absence of struggle for identity with no obvious concern about it

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Identity Foreclosure

Unquestioning adoption of parental or societal value

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Identity Moratorium

Actively struggling for a sense of identity

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Identity acheivement

Successful achievement of a sense of identity

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Fluid intelligence

Ability to reason, learn, think abstracly and solve problems Decreases with age

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Crystallized intelligence

Prior learning and past experiences, based on facts Increases with age

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Menopause

the time of natural cessation of menstruation Estrogen decreases

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