The document summarizes a case study of a 17-year-old girl named Ashley who was referred for reevaluation of her diagnoses of autism, intellectual disability, and recently diagnosed Kleefstra syndrome. It outlines the psychological evaluation process that will be used, including a clinical interview, mental status exam, intellectual assessment using the SB5, observations, and assessments for autism including the DISCO and ADOS. It discusses the importance of gathering data from multiple sources and using clinical judgment along with diagnostic tools and assessments.