Final answer:
When patients with ASD interact through reciprocal social exchanges, play, and share toys, it relates to peer interaction and social skills.
Step-by-step explanation:
When patients interact with each other through reciprocal social exchanges, play with the same materials, and share toys, it relates to Peer interaction and social skills in individuals with ASD. A characteristic symptom of ASD is impaired social skills, and children with autism may have difficulty in social interactions. Engaging in peer interactions and developing social skills is an important aspect of behavior analysis for individuals with ASD.