Paper 3 - Issues And Debates - Nature Vs Nurture Flashcards
What is the nature vs nurture debate?
The nature vs nurture debate - the degree which human behaviour is determined by genetics/biology (nature) or learned through interacting with the environment (nurture)
Who are the 2 examples of famous people in the nature vs nurture debates?
Descartes
Locke
What was descartes?
Nativist - nature side
What was Locke?
Empiricist - nurture side
What did the nativists believe?
• human characteristics are innate
• This includes some knowledge
• Behaviour is the result of heredity
What do empiricists believe?
• the mind is a blank slate at birth upon which learning and experiences writes
• Behaviour is the result of the environment
What is the nature explanation of behaviour?
Behaviour is caused by innate characteristics: psychological and biological characteristics we are born with so all possible behaviours are said to be present from conception
Behaviour is therefore determined by biology
What is the determinist view of nature and behaviour?
Deterministic view - all behaviour is determined by hereditary factors, the inherited characteristics or genetic make up that we are born with
How can you asses nature?
The heritability coefficient is used to asses heredity
Numerical value from 0-1
1 is entirely genetical
0 is entirely environmental factors effecting it
What did Plomin find?
Plomin (1994) heritability for IQ is around 0.5 (meaning that there is an environmental effect)
Who found that the heritability rate for IQ is around 0.5?
Plomin
Who suggested that there are different types of environments?
Lerner
What did Lerner suggest?
He suggested that there are different types of psychological/physiological/social environments
Give some examples of different types of environments?
• the mothers physical state during pregnancy
• Social conditions
• Cultural and historical context
How can nature effect nurture?
The environment can influence the expression of genes (phenotypes)