The Minnesota Twin Family Study (or MTFS) is a longitudinal study of twins conducted by researchers at the University of Minnesota - Twin Cities. It seeks to identify the genetic and environmental influences on the development of psychological traits.
Principal investigators are David T. Lykken, Ph.D., Matt McGue, Ph.D., William Iacono, Ph.D., and Kevin Haroian, B.A. It involves several independent but related projects:
- Minnesota Twin Registry
- Minnesota Twin Study of Adult Development
- Minnesota Twin Family Study (Male Project)
- Minnesota Twin Family Study (Female Project)
- Sibling Interaction and Behavior Study
Read more about Minnesota Twin Family Study: Registry, Study, Twins Reared Apart, Sibling Interaction and Behavior, Adoption
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—Bible: Hebrew Ecclesiastes (l. XII, 13)