During a First Session, a Clinician Made the Following Statement

During a first session, a clinician made the following statement to a client who had sought help because of difficulties with his teenage son.
"Before we end today, I am going to give you a homework assignment. I would like you to spend more time exercising. Unless you have any questions, I'll see you next week."
Critique this clinician's approach to client homework, addressing at least five guidelines for suggesting homework to clients.