Final answer:
Interpersonal skills
Step-by-step explanation:
The best psychoeducational group topic for an adolescent with autism spectrum disorder would be interpersonal skills.
This is because one of the main characteristics of autism spectrum disorder is impaired social skills, such as difficulty reading social cues and making eye contact. Interpersonal skills groups can help individuals with autism learn how to navigate social interactions, improve communication skills, and develop appropriate social behaviors.
By participating in interpersonal skills groups, the adolescent can learn how to effectively interact with others and improve their overall social functioning.