To improve students' retention rates in general chemistry, online homework was introduced into our curriculum. Replacing quizzes directly by online homework significantly improved (p less than 0.0005) success rates in second-term general chemistry. Attitudinal Likert survey results indicate that the majority of students completed the online…

Instructors can use interactive Java applets to present science in a concrete and meaningful manner to nonscience majors. This article shows how applets can take the place of laboratory work and gives examples and benefits of using applets. (Contains 1 table and 3 figures.)

Describes a hybrid instructional format designed to improve large lecture courses that couples online homework with in-class, active learning exercises. Indicates that most students felt that student-instructor interaction was better than in traditional courses and that online homework aided time management and learning. Suggests that online…

Examines student success in a freshman chemistry course that involves students who are at risk of failure. (Contains 14 references.) (YDS)

Does the use of an online homework system such as WebAssign (http://webassign.net) in an introductory astronomy course affect student performance? Four sections of introductory astronomy were compared in various homework situations, from no graded homework to graded homework online. Results show that there are no significant differences in…