The Nature-Nurture Debate
Terms in this set (9)
Nativists argue that human characteristics are determined by heredity and the extent of this can be measured using a heritability coefficient.
Lerner identified different levels of the pre- and post-natal environment.
Relative importance of heredity and environment
Nature and nurture influences cannot be logically separated.
The interactionist approach
Attachment (temperament and parenting). Distressing-stress model to explain schizophrenia (Tienari et al).
Epigenetics: interactions between genes and the environment may affect future generations.
Evaluation: implications of nativism and empiricism
Nativism may indirectly promote eugenicist philosophy.
Behaviour shaping may lead to a 'big brother' society.
Evaluation: Shared and unshared environments
Siblings raised together may have very different experiences and this would explain why MZ twins raised together show different concordance rates.
People create the nurture that fits their nature through niche-picking and niche-building, suggesting it is impossible to separate nature and nurture (Plomin).
Evaluation: genotype-environment interaction
Gene-environment interaction includes passive, evocative and active forms, pointing to complex and multi-layered relationship between nature and nurture (Scarr and McCartney).
Evaluation: relationship to other debates
Nature and nurture approaches are determinist and reductionist - but an interaction isn't position is an antidote to this.
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