Dr. Shaffer is the director of Psychological Services for the Fragile X Treatment and Research Center. She performs evaluations necessary for clinical research and also sees patients with autism spectrum disorders (ASD), Angelman Syndrome (AS), and Fragile X Syndrome (FXS) for therapy. She has specialty training in the autism diagnostic interview- revised (ADI-R) and the autism diagnostic observation schedule (ADOS), which are both methods of diagnosing autism.