The correct option is (D); A participant is asked to solve an easy puzzle in front of other participants.
The tendency for the presence of others to enhance a person's performance on a task is known as social facilitation.
Some key features of social facilitation are-
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The correct question is -
Which experimental scenario is most likely to result in social facilitation?
A. A group of participants, who initially agree on a social issue, are asked to discuss their views with each other
B. A group of participants, who initially disagree on a social issue, are asked to discuss their views with each other
C. A participant is asked to solve a complex puzzle in front of other participants
D. A participant is asked to solve an easy puzzle in front of other participants