Over the last four decades, meta-analysis has proven to be a vital analysis strategy in educational research for synthesizing research findings from different studies. When synthesizing studies in a meta-analysis, it is common to assume that the true underlying effect varies from study to study, as studies will differ in design, participants,…

The purpose of this study was to conduct a meta-analysis of dissertation research that examined the implementation of professional learning communities (PLCs) and student achievement in preK-12 schools. An exhaustive search for such unpublished studies was conducted using the following criteria: 1) the studies were available on dissertation…

Since the National Reading Panel report and passage of No Child Left Behind, one particular reading instrument, "Dynamic Indicators of Basic Early Literacy Skills" (DIBELS), has gained nationwide attention. As a result, DIBELS has been used in thousands of schools across the nation as a means of early identification, intervention, and…