Ages & Stages Questionnaires (ASQ-3™) a broad-based, general development screening measure. ASQ-3 is composed of 21 questionnaires designed to identify infants and young children who need more comprehensive developmental assessment of their communication, gross motor, fine motor, problem-solving, and personal-social skills. These questionnaires can identify accurately infants or young children who are in need of further assessment to determine whether they are eligible for early intervention or early childhood special education services.

• Each questionnaire takes 10–15 minutes to complete.
• Parents or caregivers complete questionnaires; professionals, paraprofessionals score them.