The purpose of this research is to evaluate the impact and effectiveness of on-line homework in principles of accounting classes. We surveyed students to determine their degree of satisfaction with on-line homework and their perceptions about its effectiveness in enhancing their learning. We also gathered data to determine the extent of online homework completed and its effect on class performance. The results indicate that on-line homework increases student performance and that students believe that using on-line homework is an effective method of study. (Contains 3 tables.)