Which of the Following Conditions Reveals That Participants in Sherif's

Multiple Choice

Which of the following conditions reveals that participants in Sherif's study exhibited private conformity rather than public conformity?

A) When retested without their fellow group members, participants reverted to their original estimates.
B) They would report their group's normative estimate when asked to respond aloud, but not when asked to respond in writing.
C) They continued to use their group estimates when retested alone one year later.
D) The task was too easy for people to demonstrate public conformity.