Darla has noticed how some of her friends have lost weight and gotten trim by exercising 1 to 2 hours each day. However, she has no plans to imitate their behavior. What component of Bandura’s model of observational learning will explain why Darla has not started a similar weight-loss program?

a. Darla is not motivated, nor does she have the desire to begin the program.

b. Darla’s unconscious does not believe she can achieve the goal.

c. Darla’s self-esteem must first be addressed.

d. Darla’s unwillingness may be a sign of mental disorder.