Nature/nurture

Nature/nurture

1. Rectangle analogy

2. Heritability concept

   • Degree of the difference in a trait between subjects, wich is due to genetics
   • It changes depending on subjects measured
   • To study: keep environment constant between subjects and study the difference
     • e.g. measure with identical and nonidentical twins
     • Genes might enhance environment effect

3. Experience effect on intelligence

   • Intellectually demanding job and leasure activities
   • Flynn effect

4. Black/white differences

   • Environmental
   • Biased IQ tests
     • So Raven Matrix Tests
   • Stereotzpes effect on performance
     • Burakus/Blacks