Community colleges educate nearly half of all students who complete postsecondary degrees in science, technology, engineering, and mathematics (STEM) disciplines. For many matriculated students, chemistry is a required gatekeeping course for postsecondary retention and advancement in STEM majors. This research explored community college student…

Two objectives of the course are the removal of student-student competition replacing it with student-content involvement, and the improvement of the level of understanding of organic chemistry. These objectives are approached through a modified Keller plan with a series of study guides and quizzes as the core material. (GS)