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Doing so entails cognitive processes such as verbally explaining how to solve problems, teaching one's knowledge to classmates, and connecting present with past learning. It also leads to such interpersonal processes as challenging one another's reasoning and conclusions, modeling, and facilitating efforts to learn. The verbal and nonverbal responses of other group members provide important feedback as to a student's performance. Students also get to know each other on a personal as well as a professional level. To obtain meaningful face-to-face interaction, the size of groups needs to be small (two to four members).

As academic myth would no doubt have it, the great Michelangelo painted the ceiling of the Sistine Chapel, laboring alone on scaffolding high above the chapel floor. In fact, 13 people helped Michelangelo paint the work. As biographer William E. Wallace notes, Michelangelo was the head of a good-sized entrepreneurial enterprise that collaboratively made art that bore his name.

Identification of ways to improve the processes have been using to maximize their own and each other's learning