The University of Texas Twin Registry is a on-going study of child and teenage twins in Austin and central Texas.  We think twins are fascinating!  Our goal is to investigate how twins grow up to be different from each other in some ways, and so similar to each other in other ways.  In our research, we study topics like personality, interests, talents, academic achievement, religion, family relationships, friendships, and psychological well-being.  We are also interested in siblings, step-siblings, and adopted siblings who are very close in age.

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