Dr. Diane Ehrlich is an Assistant Professor in the Human Resource Development program at Northeastern Illinois University. She specializes in oral and written communication skills, instructional design, and needs analysis.;2. Square D Company, Executive Plaza, Palatine, IL 60067

Shirley Miller is the Technical Training Manager for Square D Company. She has edited The Competent Manager's Handbook for Selecting and Evaluating Training and is a regular contributor for the HRD Review.