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The Minnesota Twin Registry was established in 1983. [2] Its original goal was to establish a registry of all twins born in Minnesota from 1936 to 1955 to be used for psychological research. Recently, it has added twins born between 1961 and 1964.
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.
The power of twin designs arises from the fact that twins may be either identical (monozygotic (MZ), i.e. developing from a single fertilized egg and therefore sharing all of their polymorphic alleles) or fraternal (dizygotic (DZ), i.e. developing from two fertilized eggs and therefore sharing on average 50% of their alleles, the same level of genetic similarity found in non-twin siblings).
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McGue received his B.A. in psychology (minor: mathematics) from the University of California, Berkeley in 1975 and his Ph.D. from the University of Minnesota in 1981. After completing his Ph.D. he was an instructor and later assistant professor at the Washington University School of Medicine until 1985. He returned to the University of ...
Classes are offered in St. Cloud, Rochester, Duluth, and Minneapolis, Minnesota. [1] The Program is supported by the Minnesota state legislature. [2] UMTYMP serves some of Minnesota's most talented math students. The course structure, intensity, and workload are comparable to college-level classes in rigor.
Burt was born on 3 March 1883, the first child of Cyril Cecil Barrow Burt (b. 1857), a medical practitioner, and his wife, Martha Decina Evans. [2] He was born in London (some sources give his place of birth as Stratford-upon-Avon, probably because his entry in Who's Who gave his father's address as Snitterfield, Stratford; in fact the Burt family moved to Snitterfield when he was ten).
The Minnesota Transracial Adoption Study examined the IQ test scores of 130 black or interracial children adopted by advantaged white families. The aim of the study was to determine the contribution of environmental and genetic factors to the poor performance of black children on IQ tests as compared to white children.