Long-Term Validity and Diagnostic Accuracy of a Reading Computer-Adaptive Test (Star Reading)

NA (site), NA (city), Texas (TX)


Many traditional screening measures (CBM) offer only moderate levels of accuracy, necessitating the use of multiple administrations or slopes to inform screening and placement decisions. This study examined the validity and diagnostic accuracy of a computer adaptive test, Star Reading, as a screener to identify state achievement test performance for 1,696 third through fifth graders. It concluded that single time point administrations of Star Reading were strongly related to the state outcome measure within year; using data from multiple administrations (slopes) did not offer a significant improvement over single data points. The authors conclude that Star Reading can work as an appropriate screening measure particularly in the upper elementary grades, when traditional CBMs tend to demonstrate decreased accuracy.

Citation: Ochs, S., Keller-Margulis, M. A., Santi, K. L., & Jones, J. H. (2020). Long-term validity and diagnostic accuracy of a reading computer-adaptive test. Assessment for Effective Intervention, 45(3), 210-225.

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Publication Date:

Updated: 06/01/2020

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