THURSDAY, Jan. 12, 2023 (HealthDay News) A revised 39-item version of the Autism Symptom Dimensions Questionnaire (ASDQ) is reliable and valid for evaluating symptoms of autism, according to a study published online Jan. 11 in Developmental Medicine & Child Neurology. Thomas W. Frazier, Ph.D., from John Carroll University in University Heights, Ohio, and colleagues