Many educators use assessments without really understanding the important questions different types of assessments answer or how to apply assessment data for effective decision-making regarding student instruction.

In this four module training manual, Jan Hasbrouck, Ph. D. unravels the mystery of assessment and guides educators in a practical, easy-to-follow manner for effectively using assessment data. She compares educators' work to physicians to demonstrate how properly screening, diagnosing students' needs, and monitoring their progress can help educators prescribe effective instruction and interventions.