Atherapist suggested that mr. kelly's fear of darkness could probably be traced back to his early childhood when he was occasionally beaten and locked up in a small, dark closet by an older brother. the therapist's suggestion most clearly reflects a perspective.

Conditioning perspective

Explanation: Conditioning perspective as the name suggest that attitude that gets developed by the reaction an individual gives towards a certain condition. The reflex given by a person towards any condition maybe due to the any severe event that happened in the past or childhood, gained from the behavior of parents etc.

Mr.Kelly is also having the response towards the darkness maybe due to the childhood experience related to the dark room or space .Thus the therapist gave a suggestion that relates to the conditioning.

cutting out negative people, changing their diets, exercising, taking off days from work or school, etc