Obtaining Fixed Effects for Between-Within Designs in Explanatory Longitudinal Item Response Models Using Mplus

Between-within designs that include a person group (i.e., a between-subjects factor) and repeated measures of binary responses over time (i.e., a within-subjects factor) are common in educational and psychological research. This software note describes how explanatory item response models can be spe...

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Bibliographic Details
Published inApplied psychological measurement Vol. 41; no. 2; pp. 155 - 157
Main Authors Cho, Sun-Joo, Suh, Youngsuk
Format Journal Article
LanguageEnglish
Published Los Angeles, CA SAGE Publications 01.03.2017
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Software Notes
longitudinal item response model
between-within design
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Summary:Between-within designs that include a person group (i.e., a between-subjects factor) and repeated measures of binary responses over time (i.e., a within-subjects factor) are common in educational and psychological research. This software note describes how explanatory item response models can be specified to analyze longitudinal item-level data to detect fixed effects in Mplus for between-within designs. In particular, a necessary parameter transformation is illustrated in detail to obtain the fixed effects in Mplus.
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ISSN:0146-6216
1552-3497
1552-3497
DOI:10.1177/0146621616676483