Answer:
c. Social facilitation
Step-by-step explanation:
People tend to perform better when they have an audience or when they are been watched. The concept of social facilitation believes that when somebody perceives that he/she is been watched when performing a task he/she gives better performance. A musician or an athlete might put up the personal best when there is an audience.
Kwan perceived that people around him might consider him a slacker, he continued to ride the stationary bicycle to prove otherwise. The illustration agrees with social facilitation.