-12 may elect to exit from the module at any stage of operation. Teachers will be using this training material in addition to all regular classroom duties and many even have contracted to use other modules of the same system simultaneously. Also, a full-scale validation of the training program is not intended in this study. It is intended as a step in the development of such a training program. Specific limitations relating to the population and instrumentation are treated in Chapter III, the procedures of the study. A review of the related literature and research is presented in Chapter II. Chapters IV and V present an analysis of the data and summary, discussion, conclusions and implications of the study.