New York Times Magazine

Segal's Journey to Meet Bogota Twins Recounted in New York Times Article

Cal State Fullerton psychology professor and twins researcher Nancy Segal is featured in last Sunday's New York Times Magazine article about two sets of identical twins separated at birth and raised as fraternal twins. Segal's trip to Colombia to interview the brothers is reported in the middle part of this gripping narrative.

As pure science, the study of twins reared apart has troubled some researchers. Those twins either self-­select and step forward or become known to researchers through media reports — which are less inclined to cover identical twins who do not look remarkably alike, who did not marry and divorce women of the same name or choose the same obscure hobby. Identical twins who do not look remarkably alike, of course, are also less likely to be spotted and reunited in the first place. And few studies of twins, whether reared apart or reared together, have included twins from extremely different backgrounds.

‘‘Every study will have its critics,’’ says Nancy Segal, a professor at California State University, Fullerton, who worked with Bouchard from 1982 to 1991. ‘‘But studying twins reared apart separates genetic and environmental effects on behavior better than any research design I know.’’ Read the cover story in the July 12 New York Times Sunday Magazine.

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