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Does a Special Twin Situation Contribute to Similarity for Abilities in MZ and DZ Twins?

Published online by Cambridge University Press:  01 August 2014

Steven G. Vandenberg
Steven G. Vandenberg*
Affiliation:
Institute for Behavioral Genetics, University of Colorado, Boulder
*
Institute for Behavioral Genetics, University of Colorado, Boulder, CO 80309, USA

Abstract

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Evidence for and against the validity of the assumption of equal environments for MZ and DZ twins is reviewed, and the consequences of possible violations of the assumption are considered. Further methods of testing the validity of the assumption, as well as possible means of correcting in part for violations, are suggested.

Keywords

Mental abilityEqual environmentsTwin situation
Type
Twins and Mental Abilities
Information
Acta geneticae medicae et gemellologiae: twin research , Volume 33 , Issue 2 , April 1984 , pp. 219 - 222
Copyright
Copyright © The International Society for Twin Studies 1984

References

REFERENCES

1.Vandenberg, SG 1962: The hereditary abilities study: Hereditary components in a psychological test battery. Am J Hum Genet 14:220–237.Google Scholar
2.Vandenberg, SG 1979: Failure of the twin situation to influence twin differences in cognition. Behav Genet 9:55–60.Google Scholar
3.Zazzo, R (1960): Les Jumeaux, le Couple et la Personne. Paris: Presses Universitaires de France.Google Scholar