There are multiple definitions:
Ages and Stages Questionnaire(English)
- developmental screening tool, birth - 36 mos.
- CREDI, ECD, GSED, UNICEF, WHO
- Pediatrics, Screening, Questionnaire
- https://www.chi…ges-and-stages/
American Society for Quality(English)
- formerly ASQC
- Organizations (documentation)
Autism Screening Questionnaire(English)