Identifies features and activities of tutorial programs that contribute to success and examines the nature of successful teaching-learning interactions. Discussion is based on an evaluation of a chemistry tutorial program on the University of Wisconsin--Madison campus. (Author/RAO)

Discusses the meaning of change, purposes and models for measuring it, matching models to purposes and types of data, and using more than one model to measure change. Twenty-one references are listed. (Author/MBR)

Discusses three phases of instructional design (ID)--definition of instructional parameters, analysis and synthesis of instructional alternatives, and implementation of instructional plan--and presents a 15-step ID model. Included for each step are a descriptive name, boxed example, and rationale and (as applicable) current state of technology for…