The validity of twin studies

@inproceedings{Evans2000TheVO,
  title={The validity of twin studies},
  author={David Stanley Evans and Nicholas G. Martin},
  year={2000}
}
The classical twin study is the most popular method for assessing the relative contribution of genes and environment to traits in human populations. Critics argue that several assumptions of the twin method are unjustified, and therefore results from twin studies are misleading. Specifically, it has been suggested that twins differ in important aspects from singletons, that monozygotic (MZ) and dizygotic (DZ) twins are not matched in their degree of environmental similarity, and that MZ twins… CONTINUE READING

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