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Last updated: June 10, 2008

Studies Currently Recruiting


Assistive Technology Devices and Services


Autism Spectrum Disorder
Download a handout of all the current autism studies here.


Cerebral Palsy


Cochlear Implants


Down Syndrome


Fetal Alcohol Spectrum Disorder


Fragile X syndrome
Download a copy of all the current fragile X studies here.


Infant Development


International Adoption


Williams Syndrome


Wisconsin Twin Project - WTP

About the Project:
Headed by Dr. Hill Goldsmith, the Wisconsin Twin Project (WTP) is investigating the behavioral adaptations and challenges, physical similarities and differences, vocabulary development, sensory experiences, and general social-emotional development of twins born in Wisconsin. Findings from this longitudinal study will improve understanding of individual differences within genetic and environmental influences as well as how child behaviors develop through the lifetime. WTP is assisted by the Waisman Research Participation Core (RCP) in maintaining a registry of families of twins. Families who did not receive the initial letter but have twins who were born in Wisconsin between 1989 and now, and are interested in the project may contact us. Once families agree to join the Twin Registry, they may be contacted in the future about participating in different portions of the Wisconsin Twin Project. Families who join the registry are never obligated to participate; they are free to decline participation at any time.