ASQ-3 (and ASQ:SE-2) questionnaires are primarily designed to be completed by parents. A caregiver/teacher who spends at least 20 hours a week with the child may also complete the questionnaires. It is important that the person completing the questionnaire is familiar with the child's skills. A professional unfamilia…
ASQ-3 is a standardized tool, but not a criterion-referenced tool. It certainly can be used to add information to an eligibility evaluation—specifically adding skills the child can do and others than they still need assistance with, as well as providing parent input.