topic 11: cognition and development Flashcards
outline the theory put forward by Piaget
‘theory of cognitive development’ based on schema
- assimilation: child builds a theory
- equilibrium: everything around them fits that theory
- disequilibrium: something happens that doesn’t align with the theory
- accommodation: schema changes to incorporate new thing/new schema are created
maturational model of child development, invariant
saw same age kids made same mistakes on intelligence tests and said kids think differently at different ages
said kids were born with the mechanisms in place to promote schema development
stages of intellectual development
1. sensorimotor (0-2)
2. pre operational (2-7)
3. concrete operational (7-11)
4. formal operational (11+)
explain the sensorimotor stage of Piaget’s staged Theory of Cognitive Development
0-2
object permanence develops
evidence:
Piaget took a toy away from baby and saw when they tried to search for it
said object permanence developed at 8 months
other researchers disagreed because babies can’t rlly mobilise like that so recreated it just looking for babies to be surprised with toy disappearing
found object permanence at 1 month
explain the pre-operational stage of Piaget’s staged Theory of Cognitive Development
2-7
egocentrism: 3 mountains task
child shown a landscape and asked to point to picture showing it from dolls POV
class inclusions: show 5 cows sitting and 4 cows standing
are there more cows sitting down or cows in these pictures? they’d say cows sitting down
conservation: basic maths understanding that quantity is constant even with object appearance changes
liquid conservation procedure: piaget found that placing containers side by side, with same height contents, kids said same but if poured into taller nd thinner that one would have more :o
explain the concrete operational stage of Piaget’s staged Theory of Cognitive Development
7-11
piaget found that these kids can conserve and perform much better on egocentrism and class inclusion
but these kids now have better reasoning abilities, which piaget called ‘operations’
these are strictly concrete operations aka can only be applied to physical objects in the childs presence
explain the formal operations stage of Piaget’s staged Theory of Cognitive Development
11+
able to use abstract thought and do logic problems
eg. follow a rule
bricks break glass so what happens if u hit a glass with a brick; it breaks
feathers break glass so what happens if u hit a glass with a feather, it breaks
evaluate Piaget’s stages of intellectual development
– demand characteristics in conservation
Piaget would ask before and after the change, making the kids think that they were meant to think it changed, because why else ask?
McGarrigle and Donaldson set up a no. conservation exp. control: did the standard Piaget task where counters moved and most 4-6 year olds were wrong
repeated with a ‘naughty teddy’ who appeared and knocked counters closer, 62% number didnt change
– concerns on Piagets conclusions about class inclusion
piaget said that pre-operational kids couldnt understand class inclusion, but when Siegler and Svetina repeated this study they found the opposite
tested 100 5 year olds from Slovenia, who each undertook 10 class-inclusion tasks and then were given an explanation
in A: must be more animals than dogs becuase there were 9 animals but 6 dogs vs B: true explanation
group B’s scored improved
– Piaget’s egocentrism task lacked validity
Hughes used a model with 2 intersecting walls, 2 police and 1 boy, once familiarised, kids as little as 3.5 could put the boy where he wouldnt be seen by 1 officer 90% and 90% of 4 could do it with 2 officers
– Piagets theory doesnt align with autism
he believed that intellectual dev. was a single process and that all elements of cognition dev. at once (egoocentrism, language, reasoning)
bur research with kids with ASD shows these aspects may develop seperately; some are v egocentric but have normal reasoning and language vs others struggle with langaueg and egocentrism
— social and cultural
outline Vygotsky’s theory of cognitive development
he placed social interaction and language at the centre of development
proposed the child as apprentice who has to develop the tools of the culture
external speech leads to egocentric speech —> inner speech/thought
Zone of Proximal Development (ZPD) - conceptualises where a child currently stands in terms of their cognitive development and the ‘zones’ they must cross to reach the limits of their potential
said children needed a More Knowledgable Other (MKO) in the form of a tutor (parent, teacher, sibling) to guide and assist them alongside thrown discovery learning
evidence support from others:
studied 4-5yo’s who were tested on estimation abilities, 1/2 were alone and 1/2 worked with a 10yo(MKO)
group 2 was more successful
outline scaffolding
Vygotsky said it was how you got across the the Zone of Proximal Development
it is helpful, structured interactions between an expert and a learner with the aim of helping the learner to reach a specific goal
support is removed gradually as the learners understanding is developed
modelling —> verbal instructions —> prompts —> gestures
a researcher said it should: engage learners interest, establish learners focus and get them started, ensure learner is motivated and encouraged to persevere
evidence
longitudinal study observing kids engaging in problem solving tasks with mothers
ages: 16mo, 2, 3.5, 4.5
result: as kids got older, mothers offered less interventions
what did Vygotsky say about cultural variation and what evidence supports this
cultures can widely vary in the institutions and settings they offer to facilitate a child’s development and so when assessing development, cultural variation must be considered
eg. papua new guinea has a counting system from thumb to thumb across the back, up to 29
this can make adding and subtracting larger numbers difficult, limiting mathematical capabilities culturally
a researcher:
wanted to see if different cultures perceived picture differently
gave p’s in african tribes or pictures and asked questions about them
outline Baillargeon’s work
she believed that children are born with an existing, primitive awareness of the world’s physical properties which she called a Physical Reasoning System (PRS)
she created the paradigm method of assessing a child’s understanding of an object’s physical properties: Violation Of Expectation (VOE)
- infant is presented with a new stimulus which is shown until they have been habituated with the stimulus
- infants are then shown 2 new stimuli, similar to the previous stimuli
one is a possible event, one is an impossible event
they found that infants looked at the impossible event for significantly longer
possible: 25.11s
impossible: 33.07s
evaluate Baillargeon’s theory
– the PRS is consistent with what we know about other infant abilities
testing Baillargeon’s idea that there’s an innate PRS that dev. w/ age is v hard
but the PRS is consistent with other infant cognition research
eg. distance perception; infants use crude patterns to judge distsnce from an early age, but experience is needed to use subtle texture diff.
– infants can’t communicate
inferences have to be made about the explanation of the behaviour
surprise is being operationalised as the length of time the baby looks at the VOE for (bc of what we would do), but it could just be that they prefer the VOE etc.
– lack of cross-cultural evidence
Baillargeon did studies solely in America so we don’t know for sure whether or not it is universal
+ VOE is now a widely-used technique in research on object permanence/persistence which means that Baillargeon’s theory is reliable
+ double blind design
the observers didn’t know if the infant was reacting to the normal or VOE, so observer bias was prevented, increasing validity
outline the theory out forward by Selman
perspective-taking: the ability to understand a social situation from the perspective of someone else
he argued that as general cognitive ability develops, the child is able to better understand the world around them
outline Selman’s study and findings
studied 4,5+6yo, 20 of each and developed his theory
Holly gets hurt falling from a tree and promises her Dad she won’t climb trees, but then a friend’s kitten is stuck in a tree and only holly can climb the tree and save the kitten
He asked the kids: Should Holly climb the tree to save the kitten?
he later developed it further:
- interpersonal understanding (what he measured in his other research)
- interpersonal negotiation strategies
- awareness of personal meaning of relationships (social dev. needs you to reflect on social beh. in the context of life history and full rel. range)
Selman’s levels of perspective taking
-
socially egocentric (3-6)
can’t differentiate between their emotions and others’ -
social information role-taking (6-8)
kids can tell the diff. between POV’s, but can usually only see from one POV -
self-reflective role-taking (8-10)
kid can put themselves in another’s POV and fully appreciate it, but can only do 1 at a time -
mutual role-taking (10-12)
kid can integrate two POV’s simultaneously -
social and conventional system role-taking (12-15)
understand that understanding others’ POV’s isnt always enough to agree and so we need social convention
evaluate Selman’s theory on perspective taking
+ it helps to understand atypical development seen in disorders like ADHD and autism as kids with these can struggle to another POV
+ practical applications
it can help with conflict resolution for kids; use perspective taking to reduce aggression by getting them to empathise with feelings and views of others
– it only focuses on the cognitive aspect of social cognition; other things like genetic, social and emotional factors can influence: like what abt empathy and emotion, he makes it all about understanding
– its difficult to operationalise variables like perspective-taking, social competence and empathy so the theory may not be v reliable
outline Theory of Mind (ToM)
thought to be developed fully by age 3-4
understanding that people may have different thoughts, feeling, ideas or knowledge to ones own and understanding what could be in the mind of that person