Three of the Following Are Potential Disadvantages of a Cooperative

Three of the following are potential disadvantages of a cooperative learning activity. Which one has not been identified as a disadvantage?

A) Students generally have lower self-efficacy when they study with peers rather than alone.
B) Students may learn incorrect information from other group members.
C) Students who do more work may harbor negative feelings about students who do less work.
D) Students may be more interested in completing the task quickly than in helping one another learn.