A Middle School Teacher Wants to Motivate His Students to Learn

A middle school teacher wants to motivate his students to learn classroom subject matter. Considering the age range of the youngsters in his classes, which one of the following strategies is most likely to be effective?

A) Incorporate small-group work into each week's lessons.
B) Display the work of the best students so that others can shoot for similar levels of performance.
C) Award points for high achievement and good behavior, with the three students earning the most points getting an end-of-semester prize.
D) Regularly remind students of his classroom rules so that students' behavior doesn't get out of control and interfere with instruction.