Sex Differences in Mental Rotation and Line Angle Judgments Are Positively Associated with Gender Equality and Economic Development Across 53 Nations

@article{Lippa2010SexDI,
  title={Sex Differences in Mental Rotation and Line Angle Judgments Are Positively Associated with Gender Equality and Economic Development Across 53 Nations},
  author={Richard A. Lippa and Marcia L. Collaer and Michael Peters},
  journal={Archives of Sexual Behavior},
  year={2010},
  volume={39},
  pages={990-997}
}

• Richard A. Lippa, Marcia L. Collaer, Michael Peters
• Published in Archives of sexual behavior 2010
• DOI:10.1007/s10508-008-9460-8

Mental rotation and line angle judgment performance were assessed in more than 90,000 women and 111,000 men from 53 nations. In all nations, men’s mean performance exceeded women’s on these two visuospatial tasks. Gender equality (as assessed by United Nations indices) and economic development (as assessed by per capita income and life expectancy) were significantly associated, across nations, with larger sex differences, contrary to the predictions of social role theory. For both men and women… CONTINUE READING

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