intelligence

intelligence

1. genetics

   • identical vs fraternal (Promin & spineth, 2004)
   • Burt, 1966 - Identical in two different environments, showed genetic factors
     • Drawback showing burt didnt look at enviromental factors, i.e. SES poor and rich showed opposite. i.e. poor identical twins genes don't matter, in rich it seems to matter a lot Turkhenheimer, 2000
       • The children of low socioeconomic status score approximately 10 to 15 IQ points below the middle-class and higher-class children (Hall and Kaye, 1980)

2. Social

   • (Ceci, 2001) showed school attendance IQ scors
   • (Rheinberg 2008) breastfeeding during first few months lead to more intelligence
   • •Identical twins reared apart have IQ's that are less similar than identical twins reared in the same environment (McGue et. al. 1993)

3. Cultural

   • Asians better than whites better than latinos better than blacks Neisser et. al 1996
     • Explain linguistic diversity