IRT-Related Factor Analytic Procedures for Testing the Equivalence of Paper-and-Pencil and Internet-Administered Questionnaires
Psychological Methods Volume 10, Number 2, ISSN 1082-989X
This article describes a general item response theory-based factor analytic procedure that allows assessment of the equivalence between 2 administrative modes of a questionnaire: paper and pencil, and Internet based. The theoretical relations between the present procedure and other methods used in previous empirical research are shown, and the advantages of the procedure are discussed. An empirical application based on 2 personality questionnaires is given, and the results are compared with the results of using traditional procedures for assessing equivalence. The substantive implications of the results, as well as suggestions for further research and methodology, are discussed.
Ferrando, P.J. & Lorenzo-Seva, U. (2005). IRT-Related Factor Analytic Procedures for Testing the Equivalence of Paper-and-Pencil and Internet-Administered Questionnaires. Psychological Methods, 10(2), 193-205.
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Ariella Levenberg & Avner Caspi, Open University of Israel, Israel
Interdisciplinary Journal of E-Learning and Learning Objects Vol. 6, No. 1 (Jan 01, 2010) pp. 323–333
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