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Piaget’s contribute
AQA A-level psychology cognitive development year 13
Term | Definition |
---|---|
Piaget's contributions | Children don't just know less than adults, they think differently. Experience determines their schemata & knowledge, maturation of the brain changes how it perceives |
Assimilation | Trying to fit new information into old schemata by updating those schemata with new information |
Accommodation | Drastically altering are schemata or creating new ones for the purpose of storing new information |
Equilibrium (cognitive balance) | When new information matches our pre-existing schemata making us feel like the world makes sense |
Disequilibrium (cognitive imbalance) | When new information doesn't match pre-existing schemata which is an unpleasant feeling of the world not making sense |
Equilibration | The process of making schemata and experiences match by learning more and exploring |
Sensorimotor stage (0-2) | Basic coordination & language development with object permanence at around 8 months |
Sensorimotor stage experiment | A sphere is shown to a child & then placed under a cloth. If under 8 months the child won’t be able to find it. After 8 months the child can find it however, if the object is removed before they can find it they will look in the last place they found it |
Pre-operational stage (2-7) | Toddlers are mobile & can use language but lack reason. They struggle with mathematical conversion, egocentrism, & class division |
Mathematical conversion: Egocentrism: Class division: | Understanding that certain physical properties remain constant Not understanding the perspective of someone else Understanding that different objects can be sorted into wider categories based on differing characteristics |
Mathematical conversion experiment | Juice poured from 1 of 2 wide cups into a tall cup, child is asked if there is more in 1 or the other. If 7 or under they’ll say the tall cup has more. If 8 or above they’ll say they both have the same amount |
Egocentrism experiment | 3 mountain task. Child sat opposite adult shown board of 3 mountains, told to describe what they can see, then told to describe what the adult can see. If under 7 they’ll say what they see despite the fact the adult can’t properly see what they can see |
Class inclusion experiment | Child is shown a picture with 5 dogs & 2 cats. Is asked whether there are more dogs than animals. If under 7 they’ll say more dogs, if 8 & over they’ll say more animals |
Stage of concrete operations (7-11) | Can perform basic logic tasks involving decentring, conservation, & class inclusion. However, struggle with abstract concepts & require physical models |
Smith et al. (1988): formal reasoning experiment | Syllogisms such as “all yellow cats have 2 heads, I have a yellow cat called Charlie. How many heads does Charlie have?” Children under 11 struggle to answer this due to idealistic thinking |
Formal operations stage (11+) | Children become capable of full adult reasoning including abstract & scientific |
Plowden report (1967): education reform | Report by lady Bridgette Plowden into UK education, advocating for child-centred learning, individualised instruction, & holistic approach to development based on Piaget’s principles |
Evaluation: advantages | Backed by research (Piaget & Inhelder studies) Application to education (children aren’t biologically able to learn the same things at certain ages & Plowden report) Criticisms criticise the ages NOT the stages |
Evaluation: disadvantages 1 (young children) | Piaget underestimated children (Siegler & Svetina- 5 year olds could learn class inclusion over time, Hughes-children could decentre & conserve but task was too difficult |
Evaluation: disadvantages 2 (adolescents) | He overestimated teens (Bradmetz- most teens couldn’t do formal reasoning tasks over a longitudinal study, Dasen- only 1/3 of adults actually reach formal reasoning stage) |