This comprehensive evaluation of the Dynamic Indicators of Basic Early Literacy Skills Sixth Edition (DIBELS6) set of measures gives a practical illustration of signal detection methods, the methods used to determine the value of screening and diagnostic systems, and offers an updated set of cut scores (decision thresholds). Data were drawn from a…

Prior research has documented that classroom-level variables have a significant effect on student outcomes; however, previous findings have typically focused on average student outcomes and have only recently begun to use hierarchical linear modeling techniques. The present study aimed to investigate the effects of classroom-level variables on the…

Over many decades, the efforts of researchers to understand key issues in the reading performance of those children most at risk for developing later reading problems has been relentless. This article presents the author's commentary to three studies: (1) Vanderwood, Linklater, and Healy (2008); (2) Edl, Jones, and Estell (2008); and (3) Baker et…