This is a Training-of-Trainers (TOT) for Oregon Registry Trainer Program Certified Master Trainers for the 6-hour Set 2 “Implementing Developmental Screening Using the Ages and Stages Questionnaire Third Edition (ASQ-3).” The core curriculum targets child care providers, home visitors and other working with infants, toddlers and preschool children. This TOT will explore best practices for training care and education professionals in ASQ implementation, engaging parents, referral resources, and presentation techniques.