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Ages & Stages Questionnaires, Third Edition (ASQ-3)
Ages & Stages Questionnaires, Third Edition (ASQ-3)
| Availability |
Please visit this website for more information about the instrument: Ages & StagesQuestionnaire-Version 3
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| Classification |
Supplemental – Highly Recommended: Cerebral Palsy (CP)
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| Short Description of Instrument |
Description: The Ages & Stages Questionnaires (ASQ-3 ®) is designed to screen children for developmental delays between one month and 5½ years.
Ages: 1 to 66 months old
Questionnaire Intervals: 21 questionnaires and scoring sheets at 2, 4, 6, 8, 9, 10, 12,
14,16, 18, 20, 22, 24, 27, 30, 33, 36, 42, 48, 54, and 60 months of age; approximately 30 items per questionnaire
Language Availability: English and Spanish
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| Comments/Special Instructions |
Administration: Parents/caregivers complete questionnaires. Can be completed at home, in a waiting room, during a home visit, or as part of an in-person or phone interview.
Completion Time: 10–15 minutes
Areas Screened: Communication, gross motor, fine motor, problem solving, and personal- social.
Software Available: None
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| Scoring |
Scores: 5 raw scores, one for each area.
Scoring Options: Professionals, paraprofessionals, or clerical staff score the questionnaires.
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| Rationale/Justification |
Reliability: Strong test-retest reliability (.75 – .82); intraclass correlations by area range from .43 to .69; internal consistency ranges from .51 to .87.
Sensitivity/ specificity: Excellent sensitivity (.86) and specificity (.85)
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| References |
(ASQ-3 ® )related bibliography across study populations:
American Academy of Pediatrics. Identifying infants and young children with developmental disorders in the medical home: an algorithm for developmental surveillance and screening. Pediatrics. 2006;118(1):405-420.
Bocca-Tjeertes I, Bos A, Kerstjens J, de Winter A, Reijneveld S. Symmetrical and asymmetrical growth restriction in preterm-born children. Pediatrics.
2014;133(3):e650-e656.
Drotar D, Stancin T, Dworkin PH, Sices L, Wood S. Selecting developmental surveillance and screening tools. Pediatrics in review / American Academy of Pediatrics. 2008;29(10):e52-e58.
Macy M. The evidence behind developmental screening instruments. Infants & Young Children. 2012;25(1):19-61.
Valleley RJ, Roane BM. Review of Ages & Stages Questionnaires®: A Parent- Completed Child Monitoring System, Third Edition. In: Spies RA, Carlson JF, Geisinger KF, editors. The Eighteenth Mental Measurements Yearbook. Lincoln, NE: Buros Institute of Mental Measurements; 2010. p. 13-15.
Document last updated July 2019
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