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115 Cards in this Set

  • Front
  • Back

Child psychology

Is concerned with changes in behavior and abilities that occur as development proceeds


-understand the changes from conception through adolescence

Domains of development

Physical (motor capacities)


Cognitive (memory)


Emotional (moral reasoning)


Social (intimate relationships)

Periods of development

Prenatal (conception to birth)



Infancy and toddlerhood (birth to 2 years)



Early childhood (2 to 6 years)



Middle Childhood (6 to 11)



Adolescence (11 to 18)



Emerging adulthood (18 to late 20s)

What are the 3 basic issues thoeires take a stand on

1) continuous or discontinuous



2) is there one universal course or development (unique combinations leads to different paths)



3)what are the roles of genetic (nature) and environmental (nurture) factors


-explains idnvidiual difference

Continuous

Process of gradually adding more of the same types of skills that were there to begin with


(Gradual changes)



-only difference between child and adults is the amount or complexity of the skill

Discontinuous

Process where new ways of understanding and responding to the world emerge at specific times


(Stages)

What is a theory

Orderly intergrated set of statements that describes, explains and predicts behavior


-depends on scientific verification

Stability vs plasticity

Stability


-heredity and early experiences are key to establishing lifelong pattern of behavior



Plasticity


-development is open to change in response to influential experiences

Thoeires that focus on continuous development

Behaviorism


Social learning theory


Information processing

Theories that focus in discontinuous development

Psychoanalytic perspective


Piagets cogntive developmental theory

Theories that focus on both continuous and discontinuous development

Ethology and evolutionary development


Vygotsky's sociocultural theory


Dynamic systems perspective

Information processing theory (continuous)

Views the human mind as a system through which information flows


-children are active, sense-making beings



-model of computer


-info is activity encoded, transformed and organized


-flow charts

Piaget cogntive developmental theory (discontinuous)

Children actively construct knowledge as they manipulate and explore their world in which cognitive development takes place in stages



-as the brain develops and experiences happen we move through 4 stages each with distinct ways of thinking

Piagets 4 stages

Sensorimotor (birth to 2)


-uses sence and movements (overt activities) to explore world



Preoperational (2 to 7)


-symbolic thinking develops (illogical)



Concrete operational (7 to 11)


-logical reasoning



Formal operational (11 years on)


-abstact, systrmatic reasoning

Stage theorists and one universal path

Assume that people follow the same sequence of develop


-may differ when and how long each stages lasts

Theories that focus on 1 course of development

Psychoanalytic perspective


Piagets cogntive developmental theory


Information processing


Ethology and evolutionary developmental

Theories that focus on many possible courses

Behaviorism and social learning


Vygotsky's sociocultural theory


Ecological systems theory


Dynamic systems perspective

Psychoanalytic perspective

Children move through stages in which they confront conflicts between biological drives and social expectations



-emphasizes each child's unique history


-how conflicts are resolved determines ability to learn

Psychosexual theory (frued)

How parents manage children's sexual and aggressive drives is critical for personality development


-balance leads to well adjusted adults



-was the first to stress influence of early parent child relationships on development

Psychosexual theory 5 steps

Oral


Anal


Phallic


Latency


Genital



-the id (wants) ego (medinator) and super ego (society) are all intergrates during these 5 stages

Psychosocial theory (Erikson)

Follower of frued and expanded on ideas


-normal development must be understood in relation to culture



-first to recognize the lifespan nature of development

Vygotsky's sociocultural approach (many paths)

Children insert their environments as much as their genes


-culrutre and time period create children with different strengths




Social intergration I necessary for children to acquire communities way of thinking and behavior


-scaffholding


-is a socially mediated process (learn from adults)


Scaffolding

Balance between direct explicit teaching and indirect support (guided participation)

What is Vygotsky zone of proximal development

The distance between what a child can do themselves without assistance and what the child can do with assistance


-out right is what they can't do


-middle ring is what thry can do with assistance


-center ring is what they can do themselves

Thoeires that emphasis nurture

Behavorisism


Social learning theory

John Locke and nurture emphasis

He lead to the enlightenment where there was a change from harshness to kindness towards children


-described parenting practices


-oragins of behavourism



1) development was continuous


2) there are many paths


3) children are a tabula rasa (blank slate)


-nurture

Behavourism (Pavlov, Watson, Skinner)

Believes that only directly observable events (stimuli and responses) are the appropriate focus of study


-continuous

Pavlov and Watson (classical conditioning)

Pavlov (dog salivation to a neutral bell stimulus)



Watson (little ablert fear of white rat from being paired with loud sound

Skinner (operant conditioning)

Behavior can be increased or decreased through reinforcers and punishments

Rousseau and nature emphasis

Children are noble savages


- naturally endowed with a sense of right and wrong and an innate plan for orderly healthy growth



Development is discontinuous


One course


Nature

Maturation

Refers to the genetically determined naturally unfolding course of growth



rousseau two influential concepts


-maturarion


-stages

Dynamic systems perspective (both nature and nurture)

Views the child's mind, body, physical and social worlds form an intergrated dynamic system that guides mastery of new skills


-when system is disrupted the child recognizes so system can work again



Both continuous and discontinuous


Both similar paths and different ones


Both nature and nurture

16th century view of children

Puritan belief in original sin gave rise to the view that children were born evil and stubborn and had to be civilized

Stanley hall

Father of the child study movment



Told parents when to expect in certain age stages


-maturational process

Normative approach

Measure of behavior are taken on large numbers of individuals and age related averages are computed to represent typical development

Alfred Binet

First successful intelligence test


- normative approach to identify children with learning problems

Social learning theory

Emphasizes modeling (imitation or observation) as a powerful source of development

Developmental cogntive neuroscience

Brings researchers from psychology, biology, neuroscience and medicine to study the relationship between changes in thr brain and child's cogntive processing and behavior patterns

Developmental social neuroscience

Studys the relationship between changes in the brain and emotional and social development

Ethology (Lorenz and Tinbergen)

Concerned with the adaptive value of behavior and its evolutionary history


-senstive period

Sensitive period

Time that is biologically optimal for certian capacities to emerge


-person is very responsive to environmental influences

Evolutionary developmental psychology

Seeks to understand the adaptive value of species wide cognitive, emotional and social competencies as they change with age


-understand the entire person-enviroment system

Ecological systems theory (Bronfenbrenner)

Views children as developing within a complex system of relationships affected by multiple levels of the surrounding environment

Ecological systems theory 4 levels of environmental (inner to outer)

1) microsystems (actives of immediate surroundings)



2) mesosystem (connections between microsystems like school, home)



3)ecosystem (children not in it but still effected like parents work)



4) macrosystems (values and laws that effect inner levels)

Descriptive research

Conducting observations or interviews and recording responses

Naturalistic observation (systematic observation)

Researcher goes into field to observe and record behavior in natural environment



-different from people watching as they make systematic observations based on operational definitions



-cant control conditions


-repesents everyday behavior

Structured observations (systematic observation)

Labitory situation


-equal opportunity to display behavior


-control of conditions


-may not be the same as everyday life

Observer bias and observer influences

Bias: influence of the observers expectations and interpretations



Influences: the effect of observer presence

Self report

Responses are provided directly by the people who are being studied


-rate on a scale (surveys)

Clinical interview

A flexible style used to probe for the participants point of view


-they share what they want



-start with same question then moves to more in depth questions based on response



Lost of info, may be inaccurate and difficult to compare

Structured interviews

Each participant is asked the same questions in thr same way



-allows comparison, prompt somthing specific


-may be inaccurate and less indepth

Case study

Allows researchers to gain details regarding the effects of a treatment on one individual (interviews, observations, tests)


-obtain an complete pic


-privides rich insights


-can study rare conditions


-be effected by biases and can't be generalized

Ethnography

Understanding a culture or social group through participant observation

Correntional research

Aims to describe thr associations between two variables

Correlation

A statistical statement that describes how two variables are related to each other in terms of direction and strength


-represented as scatterplots (dots together means strong correction)



Does not = causation

Correlation coefficient

Number describing how two variables are associated with each other


-1 to +1 shows strength


0 = no relationship


+ = both increase


- = one increase and other decreases

Third variable problem

The possibility that a third unmeasured variable is acutlly responsible for a well established correlation

Experimental research

Aims to show a causal relationship between one variable and another


-shows cause and effect relationships



Independent variable: is manipulated



dependent variable: measurement, controlled by IV

Confounding variable

Variable associated with independent variable that the researcher cant tell which is responsible for changes to dependent variable

Within subjects design

Participants in different groups are the same individuals


-first experience one condition and then another

Between subjects design

Participants in the groups are different individuals

Experimental group

Group that recives a treatment or thr stimuli targeting a specific behavior

Control group

Group that does not receive treatment


-serves as a baseline

Random assignment

Dividing samples into two or more group In which participants are equally likely to be placed in any condition


-random assignment and variable manipulation need to be determined to see cause and effect relationships

Quasi- experimental research

Research technique where two or more groups are compared and selected based on predetermined characteristics


-points out relationships not correlations

Liminatation of experimental research

Because of control, the testing situation is often not generalizable to real life settings

Longitudinal design

Samw Participants studied at different points of time


-can study commonalities and aging


-biased sampling, selective attrition, practice effects and cohort effects

Biased sampling

The failure to enlist participants who adequately represent the population of interest

Selective attrition

Those who remain in the study may differ in important ways from those who drop out

Practic effects

Become test wise


-scores may improve due to familiarity with the test

Cohort effects

Results from one group may not apply to others born at different times

Cross sectional design

Participants of different ages are studied at the same time


-no Participant drop out


-cohort effects can disorder findings and can't study individual trends

Sequential designs

Researchers conduct serial similar cross sectional or Longitudinal studies at varying times


-called sequences


- costly and time consuming


-revels cohort effects, age related changes


-more effective than Longitudinal

Microgenetic design

An adaptation of the Longitudinal approach


-presents children with a novel task and tracks their mastery over a series of sessions to observe changed



-practice effects, don't know how long


-studies how changes happen

38 weeks of pregnancy is divided into 3 periods

Conception


1) germinal period (0 to 2 weeks)


2) period of embryo (3 to 8 weeks)


3) period of fetus (9 weeks to birth)

Conception

Ovulation


-the ovum is released and travels through the fallopian tube where it can be fertilized within 24 hours (now called corpus luteum)



Sperm travels through the uterus and the fallopian tube to fertilize the ovum



-sperm lives 6 days, ovum lives only 1



-now secretes hormones to prepare uterus



-intercourse during a 3 day period either on the day of ovulation or 2 days preceding it

Fallopian tube

Tube that connects thr ovary to the uterus


Travel takes 2 to 3 days

Germinal period (2 weeks)

From fertilization and formation of the zygote (fertilized egg) until it drifts down the fallopian tube and attaches to wall of uterus (4 days)



Zygote begins to duplicate slowly then rapidly (still in fallopian tube) called blastocyst now



Implantation



-when women find out they are pregnant (already 2 weeks)

Blastocyst

Fluid filled ball made of 60 to 70 new cells

Implantation

Between 7 and 9 days


Lining is now thick and blastocyst burrow into uterus lining

What are the structures in the germinal period that begin to form in order to feed and protect the organism

Amnion


Chorion


Yolk sac


Placenta


Umbilical cored

Amnion

Inner membrane that encloses the developing organism in amniotic fluid which keeps temperature constant and cushion

Chorion

Surrounds the amnion and creates tiny finerlike villi (blood vessels) emerge and burrow into uterine wall


-this brings embryo and mothers blood close together to develop placenta

Yolk sac

Produces blood cells until the developing liver, spleen and bone marrow are mature enough to take over this function

Placenta

Permits food and oxygen to reach developing organism and carry waste away


-babjes and mothers blood doesn't mix

Umbilical cord

Connects placenta to the developing organism


-one large vein to deliver blood and nutrients


-two arteries to remove waste

Embryonic disk

Cells on the inside of the blastoycst thar creates new organism

Trophoblast

Outer ring of the cells become the structures that provid protective covering and nourishment

Embryonic period

6 weeks from implantation through 8 weeks



Embryonic disk Forms 3 layers



Very vulnerable to teratogens



Embryo grows rapidly



By the end the embryo can respond to touch and move

3 layers of the cell

Ectoderm


- becomes the nervous system and skin



Mesoderm


-becomes muscles, skeleton, circulatory system and other internal organs



Endoderm


-becomes the digestive system, lungs, urinary tract and glands


-folds over to create primitive spinal cord (top swells into brain)

First month of embryo period

Primitive spinal cored develops (need folic acid to prevent damage)


Heart begins to pump


Muscles, backbone, ribs and digestive tract

2nd month of embryo period

Eyes ears nose jaw and neck form



Tiny buds become arms, legs, fingers and toes




Internal organs



Yolk sac no longer needed



5th week start of neuron production



8th week tests form in men and secrete testosterone

Period of the fetus in month 3

Organs , muscles and nervous system become connected



Can feel touch and move



External genitals well formed



Fingernails, toothbuds, eyelids



Heartbeat can be heard through stethoscope

Period of the fetus in 2nd trimester (4, 5, 6)

Mother can feel movements


Vernix and lanugo protect skin


Neurons form synapses


Hearing and sight emerge

What is vernix

White cheese like substance emerges on the skin to protect the skin from chapping from amniotic fluid

Lanugo

White downy hair appears over entire body helping the vernix stick to skin

Period of the fetus in 3rd trimester (7, 8,9)

Reaches age of viability


Cerebral cortex enlarges


Spends more time awake


Personality takes shape


Responds to external stimuli (activity relates to temperament)


Body growth


Distinguish between voices and sound

Age of viability

Point at which the baby can first survive (22-26 weeks)

Pregnancy is also separated how

3 trimesters



First


Second


Third

Teratogens

Enviromental agents that cause damage during the Prenatal period

Teratogens harmful effects depend on

Dose


Heredity


Other negative influences


Age

Fetal alcohol spectrum disorder

Range if physical, mental and behavioral outcomes caused by Prenatal alcohol exposure


-interfers with neurons in primitive neural tube


-draws oxygen away

4 diagnoses which vart in severity

Fetal alcohol syndrome


-facial abnormalities (short eyelid, thin upper lip, flattened philtrum)



Partial fetal alcohol syndrome


-deficint physical growth



Alcohol neurodevelopmental disorder


-defucient brain growth or profound brain injury



Alcohol related birth defects


-cogntive and behavioral impairment

Reasons for drinking

Small amounts seen as low risk


Importance of alcohol in social life


Healthcare practitioners are relaxed about risks


Those unhappy in their pregnancies are increased risk of drinking

Infectious diseases

Viral


Bacterial


Parasitic

Viral

HIV/ AIDS


- infant weight loss, delayed cognitive and motor skills, death by 3



Herpes


-miscarrage, physical malformations, intellectual disabilities, low birth weight



Zika


-microcephaly and eye deformities

Bacterial

Chlamydia


Syphilis


Tuberculosis



-all carry rusk of miscarriage and other

Parasitic

Toxoplasmosis


-mild to severe damage to eyes and brain

Flu/ covid

Preterm birth


Neonatal


Infant mortality


Cleft palate


Neuronal tube


Congenital heart defects


Bipolar disorder and schizophrenia

Nicotine

Tobacco constricts blood vessels, lessens blood flow to uterus and causes the placenta to grow abnormally


-reduces the transfer of nutrients so fetus gains weight poorly


-drug addicted babies have high pitched cry

Mercury

Women should avoid eating long lived predatory fish like swordfish, tuna and shark which are contaminated by mercury

Dioxins

Toxic compounds resulting from incineration and buring of fuels such as coal and oil


-impair the fertility if y bearing sperm before conception

Weight gain

25 to 30 pounds helps ensure the health of mother and baby


-exerscise also leads to fewer physical discomforts later one

Stress

Leads to wide variety of difficulties

Rh factor incompatibility

When Rh negative mother and a Rh postive father


-baby inheret Rh postive


-mother may form antibodies to Rh protein


-if they enter the fetus they destroy red blood cells reducing the oxygen supply to organs and tissues