Meta-analysis is one approach for synthesizing research studies to identify generally effective instructional practices for students with learning disabilities (LD). In this article, we define core components of meta-analytic literature reviews, discuss how to interpret findings from meta-analyses, and provide guidelines for how research consumers…

Replication research is essential to scientific knowledge. Reviews of replication studies often electronically search for "replicat*" as a textword, which does not identify studies that replicate previous research but do not self-identify as such. We examined whether the 83 intervention studies published in six non-categorical research…

When classifying the evidence base of practices, special education scholars typically appraise study quality to identify and exclude from consideration in their reviews unacceptable-quality studies that are likely biased and might bias review findings if included. However, study quality appraisals used in the process of identifying evidence-based…