The Birthdate Effect

@article{Diamond1983TheBE,
  title={The Birthdate Effect},
  author={G. Diamond},
  journal={Journal of Learning Disabilities},
  year={1983},
  volume={16},
  pages={161 - 164}
}
  • G. Diamond
  • Published 1983
  • Psychology, Medicine
  • Journal of Learning Disabilities
There are high positive correlations between the percentages of learning disabled children and their months of birth in Hawaii. The relationships are similar for the sexes and do not decrease with age. The LD children born early or late in the year show differences in variability of IQ subtests and age of referral. This, together with a trend towards IQ differences, suggests that simple immaturity at school entrance is an insufficient explanation for the relationships observed. An investigation… Expand

Figures and Tables from this paper

An investigation of date of birth in the incidence of learning disabilities.
The tyranny of chronological age
...
1
2
3
4
5
...

References

SHOWING 1-6 OF 6 REFERENCES
The Birthdate Effect
Mental disorder and season of birth: a national sample compared with the general population.
The Birthdate Effect: Fact or Artifact?
  • G. Gredler
  • Psychology, Medicine
  • Journal of learning disabilities
  • 1980
Social status and season of birth: a study of a metropolitan area in the southeastern United States.
Rules for neuropsychological diagnosis: classification of brain function in older children.
  • M. Selz, R. Reitan
  • Psychology, Medicine
  • Journal of consulting and clinical psychology
  • 1979
Retrospective studies on the epidemiology of reproductive casualty: Old and new
  • Merril-Palmer Quarterly of Behavior and Development,
  • 1966