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NASP Home NASP Publications School Psychology Review (SPR) Volume 34 Issue 3 (2005) A Longitudinal Examination of the Dia...
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Volume 34, Issue 3 (2005)

A Longitudinal Examination of the Diagnostic Accuracy and Predictive Validity of R-CBM and High-Stakes Testing

pp. 372—386

Abstract. The purpose of this study was to compare different statistical and methodological approaches to standard setting and determining cut scores using RCBM and performance on high-stakes tests. One thousand seven hundred and sixty-six students were followed longitudinally from first through third grades using RCBM benchmark assessment. In addition, students were administered the Minnesota Comprehensive Assessment (MCA) at the end of third grade. Predictive validity and diagnostic accuracy analyses using discriminative analysis, logistic regression, and receiver operator characteristic (ROC) curves were conducted. Results suggested that R-CBM is strongly associated with MCA performance at each grade level and is both accurate and efficient in predicting those students who are likely to pass the reading portion of the MCA beginning in first grade. Applied and theoretical implications are discussed along with future research.

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