exam 2 - developmental psychology Flashcards
goal of developmental psych
study individual key stages of life and how people grow/develop at/between each
developmental key themes (3)
1) nature vs nurture: how much of us is genetic vs due to our enviro
2) continuity vs stages: does development occur gradually or in clear stages?
3) stability vs change: how consistent are we when we move between stages? If we change, how can we say we’re the same person?
developmental research methods
1) cross sectional studies
2) longitudinal studies
whats a cross sectional study/when are they used? Pros/cons?
mix different ages at the same time; compare their responses; use for observing age related differences
pro: get info all info at one time
con: comparing dif people
what’s a longitudinal study? when are they used? pros/cons?
same subjects studied at dif times in their lives; use for observing age related changes
pro: studying the same people
cons: expensive, takes years, people might drop out
how to do research with infants?
eye tracking machines, measure pacifier sucking, observe head turns
what’s habituation/how is it used?
when something becomes habituated, the infant is bored with it; doesn’t look at it anymore/loses interest; use for assessing memory and perception
how did they test infant categorization? what did they conflude?
show a proper animal head/body image and let them get habituated; switch and put wrong heads on wrong bodies; babies stared at the head they didn’t see before vs the body; infants prioritize face over body
what brain cells/connections are babies born with?
all brain cells but don’t have a lot of neural connections
what allows for rational planning
frontal lobe growth spurt at 3-6 months old
what areas develop last?
association
What happens at puberty?
pruning process; neural pathways for language/agility stop surging
at what age are children’s memories processed differently?
4 yrs
Piaget’s theory
children are curious, active, intelligent, but have a dif type of logic; they intelligent but limited by cognitive development
answer to piaget’s question: how do children incorporate new info w what they already know?
1) form schemas; mental representations of the world
2) assimilate; put new info into existing schemas
3) accommodate; make new schemas if things don’t fit/make sense
assimilation vs accomodation
child knows what cows look like; sees a moose and ASSIMILATES moose into same schema as cow; parent corrects child; child ACCOMMODATES and makes separate schema for moose
piaget’s 4 cognitive development stages
1) sensorimotor
2) preoperational
3) concrete operational
4) formal operational
sensorimotor stage: age, description, 2 key aspects
- birth-2 yrs
- experience the world through sensory/motor interactions (looking, hearing, touching, mouthing, grabbing)
- key 1) lack of object permanence
- key 2) separation anxiety; after child has object permanence, they know their parent still exists but doesn’t understand time and doesn’t know when they’ll be back
preoperational stage: age, description, 2 key aspects
- 2-6 years
- too young for mental operations (math), use words/pics to symbolize objects
- key 1) don’t understand conservation; that phys properties of an object stay the same (ex. amount of juice is the same in two dif cups)
- key 2) ego centrism; can’t adopt new perspective ; self centered; what they see is what everyone
concrete operational stage: age, description, 2 key aspects
- 7-12 yrs
- logical reasoning/grasping idea of conservation; perspective taking/no longer egocentric; grouping/idea of subgroups, serialization, realize things can belong in 2 categories; add and subtract without counting
what did harry harlow study?
attachment styles with primates; thought offspring bonded w/ mother because she was a food source
what did harlow’s results show?
primates preferred cloth monkey w/o food over wire monkey w/ food; IMPORTANCE OF COMFORT AND AFFECTION