Ages and Stages Questionnaire (ASQ)

Measure DescriptionSource of measure
Mode of administration Parent report
Age range for use1-72 months (9 different questionnaires)
Domains Assessedself-regulation, compliance, social-communication, adaptive functioning, autonomy, affect, and interaction with people
Related Measures
BurdenTraining needed to administerNot required, but recommended
Minutes to complete10-15 minutes for parents/caregivers to complete, 1-3 minutes for professionals to score
# of itemsVaries
CostStarter kit $275 - includes questionnaire masters and Users Guide
Adaptation for AIAN useAdaptedNo
Developer allows adaptation?Yes, but only with written permission Brooks Publishing. See
Used with AIAN populations?Yes
AIAN: Cronbach's alpha rangeNot yet available
AIAN: Evidence of validityNot yet available
Other populations: Cronbach's alpha range.67 to .91 (overall .82)
Other populations: Evidence of validitySensitivity .82, specificity .92
SourceDeveloperDiane Bricker, Ph.D. and Jane Squires, Ph.D., University of Oregon
SummaryComments about sensitivity to changeASQ-SE2 is a screener and is not likely to be sensitive to change
General remarksASQ-SE2 can be used alone, or in combination with ASQ-3