A Multilevel Approach to the Relationship Between Birth Order and Intelligence

@article{Wichman2006AMA,
  title={A Multilevel Approach to the Relationship Between Birth Order and Intelligence},
  author={A. Wichman and J. Rodgers and R. MacCallum},
  journal={Personality and Social Psychology Bulletin},
  year={2006},
  volume={32},
  pages={117 - 127}
}
  • A. Wichman, J. Rodgers, R. MacCallum
  • Published 2006
  • Psychology, Medicine
  • Personality and Social Psychology Bulletin
  • Many studies show relationships between birth order and intelligence but use cross-sectional designs or manifest other threats to internal validity. Multilevel analyses with a control variable show that when these threats are removed, two major results emerge: (a) birth order has no significant influence on children's intelligence and (b) earlier reported birth order effects on intelligence are attributable to factors that vary between, not within, families. Analyses on 7- to8 - and 13- to 14… CONTINUE READING

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