Extra Credit for Participation in Research Studies on College Campuses

Multiple Choice

Extra credit for participation in research studies on college campuses is very common. Dr. Loto carried out several studies earlier in the year that helped develop the current studies she is conducting. Many of the participants in her current study were a part of the studies earlier in the year. She was very surprised to see how well participants did on the current assessment. This is most likely due to:

A) carryover effects.
B) order effects.
C) practice effects.
D) sensitization effects.