The Intellectual Achievement of Only Children

  title={The Intellectual Achievement of Only Children},
  author={Denise F. Polit and Toni Falbo},
  journal={Journal of Biosocial Science},
  pages={275 - 286}
Summary A quantitative review of the literature on the intellectual achievement of only children indicated that only children were never at a disadvantage in relation to any comparison group; nor were they significantly different from first-born children or children from two-child families. Moreover, only children were at a significant advantage in comparison with later-born children and those from large families. The consistency of these findings across subgroups suggests that interpersonal… 

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    Psychological bulletin
  • 1978
The evidence suggests that financial hardship, high levels of anxiety, and, in particular, low levels of parent-child interaction are causes of poor performance among children in single-parent families; sex role identification does not play an important role.

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    The Medical journal of Australia
  • 1964
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