When the Task Is Unfamiliar to the Athlete,an Assigned Goal

When the task is unfamiliar to the athlete,an assigned goal may be superior to a self-set goal.Why might this be the case?

A) Instills confidence in the recipient because an expert thinks they can achieve the goal.
B) Assigned goals are almost always superior to self-set goals.
C) Assigned goals give the recipient a feeling of ownership and control.
D) Self-set goals result in low achievement.