the extent to which behaviour is caused by inherited or aquired characteristics
- nature (nativists) =
- human characteristics and some knowledge is natural
- heritability coefficient (0-1) 1 = genetically determined
- iq= 0.5
- nurture (empricists)=
- mind is a blank state at birth
- environmental influences - key feature
- relative importance of heredity and environment=
- nature + nurture are hard to seperate eg twin studies
- the focus now is to see the relative contribution of both on behaviour
- the interactionist approach=
- eg the theory that psychopathology is caused genetically but triggered environmentally
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