Describes a 20-year study that queried more than 1,500 community-college faculty members on what motivated student learning. Presents the resulting six motivators: (1) teaching skill; (2) organizational structure; (3) teacher-student rapport; (4) course difficulty; (5) grading and feedback; and (6) teacher's impact on students. Lists demotivators and offers insights on how to modify teacher behavior to improve student learning. (EMH)