Rajin has recently been appointed the leader of a task group at​ work, which has historically met every Thursday evening from 5p.m. to 6p.m. Most of the members of the group have organized their schedules around this time.​ Rajin, however, has also taken on the role of Little League coach for his​ son's baseball team on the same night at the same time and has promised the team the time would not change. This is an example of​ ________________.