PSY-1200 Lecture Notes - Lecture 8: Twin, Romanian Orphans, Dancemania Speed
Document Summary
Both nature and nurture contribute to intelligence. Genetics give you a range of intelligence, environment places you within that range. Adoption studies: adopted children show a marginal correlation in verbal ability to their adopted parents. Environmental influences: studies of twins and adopted children also show, fraternal twins raised together tend to show similarity in. Identical twins raised apart are slightly less similar on their intelligence scores. Early intervention effects: early neglect from caregivers leads children to develop a lack personal control over the environment and also impoverishes their intelligence. Romanian orphans with minimal human interaction had. Schooling effects delayed development: schooling is an intervention that pays dividends, reflected in intelligence scores, increased schooling is related to higher intelligence scores. Racial (group) differences: if we look at racial differences, on average intelligence, white. Americans are in the middle of the range.
