In a Study Conducted by Hazel Markus, College Students Performed

In a study conducted by Hazel Markus, college students performed a difficult task (tying a lab apron behind their back) and an easy task (tying their shoes) . Which of the following did she find in conditions in which an audience was present?

A) Only social facilitation on easy tasks.
B) Only social inhibition on difficult tasks.
C) Social facilitation on difficult tasks and social inhibition on easy tasks.
D) Social inhibition on difficult tasks and social facilitation on easy tasks.