Our Customer Help & Support Team is available Monday through Friday from 9 a.m. to 5 p.m. ET.
ASQ-3 has a standardization with an unrivaled sample that closely mirrors the U.S. population in geography and ethnicity and includes children of all socioeconomic statuses. The sample includes 15,138 children whose parents completed 18,232 questionnaires. Reliability, validity, sensitivity, and specificity are all excellent. Complete details can be found in the technical report in ASQ-3 User’s Guide.