Arguing that high attrition rates and low grades in trigonometry classes underscore the need for changes in the approach to trigonometry instruction, these papers suggest an instructional model and present a proposal for its adoption at the College of San Mateo (CSM). The first paper begins with the argument that students' lack of preparation for…

This report summarizes a series of eight research studies related to the use of computer-assisted instruction (CAI) with mildly handicapped students at the junior high or high school level. Through videodisc and CAI the studies isolated the effects of the following design variables: (1) review cycles; (2) size of teaching sets; (3) explicit…