Ages & Stages Questionnaire Child Development Marion. The Ages & Stages Questionnaire: The Ages and Stages Questionnaires (ASQ-3™) (for children from birth to age 6) reveals a child’s strengths as well as areas where they may.

The ASQ System. ASQ ® -3 and ASQ ® :SE-2 questionnaires are easy for parents to complete. Efficiently manage ASQ ® data and allow parents to complete questionnaires online. Fun,.