Psychology reflects wider society: racism
c. 1900:‘lower races’ less evolved, lower intellect, etc Condescending views about non-white races.
Reflected in psychological science (e.g. eugenics)
c. 1920: study of ‘racism’ as a social problem, changing views, racism as a term arrives now.
Greater focus on social factors cf. biological differences
Kenneth and Mamie Clark 1940, show that racial segregation in schools is having a damaging effect on all children, but particularly black children.
Psychology reflects assumptions/aims of people, and can change them