Music students often don’t evaluate their own performances accurately. can small-group discussions ?
a) the subjects were 29 students preparing for the end-of-semester performance that is an important part of their grade.
b) the 15 students in one group each videotaped a practice performance, evaluated it themselves, and then discussed the tape with a small group of other students.
c) the remaining 14 students watched and evaluated their tapes alone.
d) at the end of the semester, the discussion-group students evaluated their final performance more accurately