A Piano Student Mastered a Difficult Piece of Music After

Multiple Choice

A piano student mastered a difficult piece of music after many hours of practice at home. At his next lesson, he played the piece for his piano teacher. He then performed it in front of an enthusiastic audience, and finally, in front of a critical panel of judges. According to the theory of social facilitation, which of these was likely to be his worst performance?

A) Playing at home after mastering the piece
B) Playing for his piano teacher
C) Performing for an enthusiastic audience
D) Performing for a panel of judges