Core Issues & Debates (AQA A-Level Psychology): Flashcards

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Holism & Reductionism
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Holism definition

Studying behaviour as integrated whole system, not separate parts

Reductionism definition

Breaking behaviour down into simplest, most basic elements

Biological reductionism

Explains behaviour via genes, hormones & brain structures

Environmental reductionism

Explains behaviour via stimulus-response connections

Parsimony principle

Explain phenomena using simplest, most basic principles

5 levels of explanation (highest to lowest)

Socio-cultural, psychological, physical, physiological, neurochemical

Interactionist approach

Combines different levels of explanation productively

Diathesis-stress model components

Genetic predisposition + environmental stressors = disorder

Gottesman & Shields: MZ concordance for schizophrenia

48%

Behaviourist 'black box' approach

Mental processes irrelevant; only observable behaviour matters

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