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In 1979, Thomas J. Bouchard began to study twins who were separated at birth and reared in different families. He found that an identical twin reared away from his or her co-twin seems to have about an equal chance of being similar to the co-twin in terms of personality, interests, and attitudes as one who has been reared with his or her co ...
Thomas J. Bouchard Jr. (born October 3, 1937) is an American psychologist known for his behavioral genetics studies of twins raised apart. He is professor emeritus of psychology and director of the Minnesota Center for Twin and Adoption Research at the University of Minnesota.
In the Minnesota Study of Twins Reared Apart, researchers found that 44.5% of twins separated at or near birth were separated because of birth out of marriage. Almost all twins separated for this reason are both adopted, but Ann and Elizabeth's case is unusual because one baby was kept by the natural mother. Dr.
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In 2004, of the people younger than 35 who gave birth with the help of IVF, 32.7% delivered twins, and 4.9% delivered triplets, according to doctors at the Washington University School of Medicine ...
The twins were reunited at age twenty-eight. The book also includes research on twins reared apart and information on several other switched at birth twin cases. Segal is also the author of Indivisible by Two: Lives of Extraordinary Twins (Harvard University Press). This collection of essays on twelve twin, triplet and quadruplet sets brings ...
He is known for his research using twins to study human behavioral traits such as alcoholism [5] and IQ. [6] This included working as a consultant on the Minnesota Study of Twins Reared Apart in the 1970s. [7] He began collaborating with scientists at the University of Helsinki in 1984, and received an honorary doctorate from this university in ...