## ASQ-3 Technical Report

ASQ-3’s high validity and reliability have been proven by extensive research. The ASQ-3 Technical Report presents all of the data and research that went into developing ASQ. [Read More](/content/resource-library/asq-3-technical-report/index.html)

## Concurrent Validity for ASQ-3 Questionnaire Intervals

This report summarizes the concurrent validity calculated by ASQ-3 interval, compared with results from early intervention/early childhood special education (EI/ECSE) eligibility evaluations. [Read More](/content/resource-library/concurrent-validity-for-asq-3-questionnaire-intervals/index.html)

## ASQ-3 16-Month Questionnaire

See a sample completed ASQ-3 English 16-month questionnaire. ASQ-3 questionnaires screen children 1–66 months for developmental delays. [Read More](/content/resource-library/asq-3-16-month-questionnaire/index.html)