Nature v Nurture: Pick A Side! We do what we do because of our – Genetics Evolution Behavior driven by….. INSTINCT
Nature v Nurture: Pick A Side! We do what we do because of our environment– Parents / friends /teachers Society / cultural influences TV! / Other media Behavior is…. LEARNED
Nature v Nurture: History Europe John Locke & David Hume- argue for experience Rosseau & Kant – believe in “immutable human nature”….instinct? Sir Francis Galton “Hereditary Genius” in 1869- success runs in families…must be nature Monarchies – kings are kings because of birth (Cinderella, Prince & Pauper)
Nature v Nurture: History(2) Other Nature “evidence” Charles Darwin-Galton’s cousin- “Natural Selection” helps species evolve…..survival of fittest William James – humans the most instinctual of animals Adolph Hitler – “Aryan race” would return Germany to glory….led to Holocaust
Nature v Nurture: History(3) Other Nature ideas…..United States - By 1917, fifteen US states had eugenics laws to sterilize: Epileptics the mentally ill Criminals - 3rd International Congress in ’32 discusses “problems of African-Americans and needs to “cut off bad stock” ….Bushes & Rockefellers (http://www.trunkerton.fsnet.co.uk/Eugenics.htm)
Nature v Nurture: History(4) Nurture ideas: By 20th Century, most American scientists lean towards nurture John B. Watson: father of modern advertising….uses Pavlov’s conditioned reflex” Sigmund Freud: early experiences determine later functioning B.F. Skinner: Behaviorism/Operant Conditioning – all behavior is result of rewards & punishments
Nature v Nurture: Questions How do YOU explain: Twins preferences? Sibling similarities / dis-similarities? Alcoholism, Depression & other mental illness? Food preferences / Cultural specific behavior? Fears (snakes / spiders/ people)?
Nature v Nurture: Questions(2) How do YOU explain: Language? Love? Criminal Behavior? Antisocial Behavior? Homosexuality? Religion?
Nature v Nurture: Think Nature argument If we consider genetics to determine our destiny, then why have special needs programs? http://www.sfu.ca/~dant/projects/psyc100/nature_nurture/
Nature v Nurture: Think(2) Nurture argument If the environment shapes our minds, then parents are to blame for troublesome children or… …….anyone can be President http://www.sfu.ca/~dant/projects/psyc100/nature_nurture/