Parent-Mediated Intervention Targeting Insistence on Sameness for Autistic Children

This study is testing a parent-led therapy to help autistic children aged 6 to 10 who struggle with insistence on sameness — a need for routines and resistance to change that can cause significant stress for families. **You may be eligible if...** - Your child is 6 to 10 years old with a diagnosis of autism spectrum disorder (ASD) - Your child has an IQ of 75 or higher - Your family makes at least 3 accommodations to manage your child's insistence on sameness - Your child and at least one English-speaking parent can consistently participate **You may NOT be eligible if...** - Your child has significant hearing, language, or motor impairments that affect participation - Your child's anxiety or behavioral treatments have been changed within the past 2 months or changes are expected during the trial - You as a caregiver have previously participated in a similar parent-mediated study at this center Talk to your doctor to see if this trial is right for you.