This report is based on the results of the National Drug/Alcohol Collaborative Project which examined the prevalence of multiple substance use, particularly the combined use of drug and alcohol. The introductory chapter describes the background and purpose of the project. Chapter Two reviews the literature about multiple substance abuse and…

Analyzes student use of a multimedia chemistry instructional program used in an undergraduate chemistry course. Examines student time spent on the software and student use of the software's media components. Finds that students have different usage patterns for completing the same assignment, indicating that students are able to use individual…