A Relative Age Effect in Men's but Not Women's Professional Baseball: 1943–1954

@article{Abel2011ARA,
  title={A Relative Age Effect in Men's but Not Women's Professional Baseball: 1943–1954},
  author={Ernest L. Abel and Michael M. Kruger and Kalyani Pandya},
  journal={Psychological Reports},
  year={2011},
  volume={109},
  pages={285 - 288}
}
Birthdates of professional female and male baseball players active from 1943 to 1954 (the beginning and final years for professional female leagues) were matched for year of birth and league years and then compared by birth quarters, with a cutoff date beginning August 1. A relative age effect was noted for males, as there was a significantly different distribution of players across birth quarter, but there was no such effect for female professionals. Since players were matched for birth year… 

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