Four methods of individualized instruction are described and introduced, and their similarities and differences are reviewed in terms of effectiveness, grading, lectures, mastery, pacing, theoretical base, and unit size. The methods described are (1) audio-tutorial, developed by S. N. Postlethwait, an instructional system that allows students to…

The possible difference in the performance on a mid-term and final exam between students taking a quasi-individualized mastery method of instruction and students having traditional lecture-discussion instruction was studied. A second issue examined was the difference between the proportion of students expressing a preference for one method of…