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Infants & Young Children:
doi: 10.1097/IYC.0b013e31829f95f3
Original Study

Adaptation From Paper–Pencil to Web-Based Administration of a Parent-Completed Developmental Questionnaire for Young Children

Yovanoff, Paul PhD; Squires, Jane PhD; McManus, Suzanne PhD

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Abstract

Adapting traditional paper–pencil instruments to computer-based environments has received considerable attention from the research community due to the possible administration mode effects on obtained measures. When differences due to mode of completion (i.e., paper–pencil, computer-based) are present, threats to measurement validity are posed. In this research, administration mode effects of web-based and conventional paper–pencil versions of a parent-completed developmental questionnaire, the Ages & Stages Questionnaires (ASQ), were estimated. Setting this study apart from similar studies reported in the literature, the ASQ requires parents to observe and rate their children's behavior. Most measures adapted for web-based administration are not observational. Using item response model invariance testing procedures, analyses tested whether ASQ items administered via the Internet function differently from corresponding traditional paper–pencil items. Analyzing the 4-, 12-, and 24-month ASQ intervals, statistically significant differences (i.e., DIF, or differential item functioning) were obtained on 10 of the 90 items examined in this study. Although DIF was observed for some items, the overall DIF model was rejected for all domains. On the basis of these results, the paper–pencil and web-based measures can be considered equivalent and the mode effect is not present; ASQ measures obtained from either mode are therefore interchangeable. Noteworthy remedies are considered for web-based administration of the 10 specific items lacking invariance.

© 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins

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