Nature-Nurture
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10 Terms
What does nature refer to in psychology ?
The influence of genetic and biological factors on behaviour
What does nurture refer to ?
The influence of environment and experience
What is the heritability coefficient and what does it indicate ?
A number between 0 and 1 indicating genetic contribution (eg IQ is ~0.5)
What kind of studies support the role of nature ?
Twin, family, and adoption studies (eg higher MZ than DZ concordance)
What kind of studies support the role of nurture ?
Attachment styles, phobias, and behaviours shaped by upbringing
What is the interactionist approach ?
Suggests behaviour is a product of both biology and the environment
What is the diathesis-stress model ?
Genetic predisposition + environmental trigger = disorder (eg Schizophrenia)
What is epigenetics ?
Environmental factors switch genes on/off, influencing gene expression
AO3- why is an interactionist view more realistic ?
Avoids false dichotomy and explains complex behaviours and traits more accurately
AO3- what are methodological issues with nature-nurture studies ?
Confounding variables in twin studies, assumptions about shared environment