"I Hate Doing Group Projects in My Classes," Hillary, an American

Multiple Choice

"I hate doing group projects in my classes," Hillary, an American student, complained. "When we do a group project, people just don't work as hard as they do when they are working alone." Hillary's observation reflects a psychological phenomenon called:

A) an illusionary correlation.
B) ethnocentrism.
C) social loafing.
D) random selection.