Sam Is a Student in Dr

Sam is a student in Dr.Arthur's Principles of Management course,in which team projects are assigned.Sam likes courses with group projects because he knows he can team up with good students who will work hard on the projects.He will undoubtedly miss some of his group's out-of-class meetings.What can Dr.Arthur do to help groups deal with students in Sam's situation?

A) Assign groups randomly.
B) Require group members to discipline other members when they "loaf."
C) Assign more members to groups.
D) Help groups identify the potential valuable contributions of each member and assign specific responsibilities.
E) There is nothing a professor or a manager can do to reduce social loafing;it is up to the group itself.