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Intelligence - Coggle Diagram

- - - - Zigler et al. (1973)
      - class differences, exposure to educational information
    - - Williams (1972)
      - Black Intelligence Test of Cultural Homogeneity (BITCH)
      - a cultural specific test
  - - - more similar in intelligence
        (genetic played bigger role)
      - still have higher intelligence correlation in twins that lived apart
        
        but same environment doesn't equal same experiences (non-shared environment)
    - - moderately similar but not as much as MZT
      - lower intelligence correlation in twins that lived apart
    - - adopted children resembled their biological mothers more than adoptive parents in IQ scores (heredity>)
      - Loehlin et al. (1989) found correlations of mother and child IQ:
        
        biological = increased
        
        adopted = decreased
        shows that heredity has more influence
      - Plomin et al. (1988) increased correlation between adopted child and biological parent when growing up in adopted families
        
        but dropped to 0 in adolescence and adulthood
        
        factors outside of home: media, friends, environment
- - - - providing job opportunities for low class
      - increased government job opportunities
    - - getting easier by the minute
    - - specialisation of different industry jobs
      - therefore need certifications to be more equipped to deal with increasing competition
    - - improved children's milk powder formula
      - genetically modified crops to increase nutrients