Essay content Flashcards
What did Plomin et al 1994 find?
Mz twins had higher correlations of personality traits than twins raised together
What happened in the Dutch-Hunger Winter 1944-45
Mothers starved, foetuses followed, those who were born to nourished mothers were normal weight, undernourished mothers had lower birth weight babies. Long term underweight were smaller and had lower obesity rates opposite for normal. Shows transmission of epigenetics
What does Waddington’s epigenetic Landscape show?
Flatter areas show a greater possibility for environmental effects, the study of heritable phenotype changes
What did Plomin and Daniels 1987 find?
That children adopted into the same environment showed little similarity, so effect of environment small .
Names of the twins raised apart and bought back together?
Mark Newman and Gerrard Levey
What did Plomin 1990 find?
That japanese immagrant children were taller than their parents, which could be to do with dietary changes
What did Taylor et al (2000) find?
Heritability of delinquency
18% genes
56% non-shared
26% shared
`what did Caspi et al (2002) find
low MAOA varient in 1 in 8 boys- they were responsible for nearly half of violent crime
What are schemas?
Pockets of knowledge about the world, gained with experience
How are schemas used in development?
They are modified and created to develop understanding of the world . For example the grab and . thrust schema .
What is assimilation?
Fitting new information into existing schemas
What is accommodation?
Modifying/creating new schemas because of new information
What are Piaget’s four stages
Sensori-motor (0-2)
Pre-operational (2-7)
concrete operational (7-11)
Formal operational (11+)
In which stage do false belief tasks take place
pre-operational
What age do children fail false belief tasks (piaget)
under 7
Why do children under 7 fail to pass false belief tests?
because they lack the ability to perform mental operations
Examples of piagetean conservation tasks
Mountain task, clay, coin, water
What are some critiques of piagets’s theory
Sample is biased- white, western, well educated
High language demand on children
Underestimates mental abilities, can pass ToM at 4
Over estimates differences between stages
What did Durkin 1995 find?
Conservation of similar materials over unfamiliar in concrete operational stage
What are some limitations of piaget’s theory
Memory and attention both improve with age, at a young age they do not have the strategies e.g. rehearsal and are easily distracted
What did Case and Siegler (1985) find?
Developmental changes in thinking are due to information processing abilities- younger children use less demanding problem solving tasks
What is prosocial behaviour?
Behaviour directed towards another person that promotes a positive benefit to that person (Radke-Yarrow 1993)
What are Carlo’s (2006) six prosocial tendencies
ADEPAC Altruistic Dire Emotional Public Anonymous Compliance
What did Eisenberg and Fabes (1989) find?
Spontaneous psb in children and adults, suggesting that it is an inboorn thing and that’s why we do it .
What did Zahn-Waxler (2001) ?
Increases in Vocal, facial, gestural expressions of concern with age. Increase in empathy , egocentric empathy
What did Sagi and Hoffman (1967) find?
That there was evidence of empathy in newborns
What year was `meltzoff and moore
1977
What did Pfiefer (2008) find?
Mirror Neuron System- active while watching and observing
What did Preston and DeWaal (2002) find?
Evidence of persuasive empathetic reactions in mammaliam species
What did Warneken, Chen and Tomasello (2006) find?
Evidence of psb in both children and apes
What are the different types of agg?
Instrumental/ hostile
Direct/ Indirect
Proactive/ Reactive
What did Bjorkvist et al 1992 find?
Differences in direct/ indirect agg . Indirect higher in girls when younger but increases for both with age .
Evolutionary explanations for agg .
Seen across species, mating, heirarchy, sticklebacks
What is resource control theory?
social dominance leads to better resources
What did Hawley (2003) study/ find?
Studied social control strategies in children, had them rate play preferences found 5 types
Bistrategic - most successful & most popular
Prosocial
Non-controllers
Typicals
Coercive - least popular
What is Patterson’s (1986) Coercive cycle?
Poor discipline leads to child’s coercion then conduct problems then academic failure/peer rejection then deviant peer group then delinquency
What is Crick and Dodge’s (1996) Social Information Processing Model?
If child is agg towards peers then peers will be anti-social to child this is like a cycle, if continued can lead to long term delinquency .
What did Tremblay et al 2004 find?
3 Trajectories for aggression
14% high
58 % moderate
28% low or none
According to who what is the best predictor of high trajectory aggression at birth?
Tremblay et al 2004
- mothers who had a child young, smoked while pregnant, mother who showed delinquent behaviour at school age
According to who what is the best predictor of high trajectory aggression at 5 months?
Family dysfunction and coercive parenting .