About the Author

William Coscarelli is a professor in the Instructional Design specialization at Southern Illinois University Carbondale and the former co-director of the Hewlett-Packard World Wide Test Development Center. He has been elected president of the International Society for Performance Improvement and the Association for Educational Communications and Technology’s Division for Instructional Development. He is the founding editor of Performance Improvement Quarterly, author of the Decision-Making Styles Inventory, and co-author of the Guided Design Guidebook and Criterion-Referenced Test Development.

Contributor ( with Sharon Shrock) to ASTD Handbook for Workplace Learning Professionals - Available as article-length Fast Fundamentals whitepaper (PDF download): Training Evaluation Level 2: Learning-Five Essential Steps for Creating Your Tests and Two Cautionary Tales.