Elle,a University Student,had a Great Time at a Party Last

Multiple Choice

Elle,a university student,had a great time at a party last night.She danced,sang karaoke,and played the Rock Band video game-all behaviours that she had never exhibited in public before.She had been drinking the "punch" all night long,which she was told contained a lot of alcohol.Elle was quite surprised to find out the next morning that the punch did NOT contain any alcohol.What may explain Elle's behaviour at the party?

A) the Hawthorne effect
B) confirmation bias
C) the nocebo effect
D) the placebo effect