Complex research questions often need large samples to obtain accurate estimates of parameters and adequate power. Combining extant datasets into a large, pooled dataset is one way this can be accomplished without expending resources. Measurement …
Background: For most instruction, there are individual differences in responsiveness, resulting in some children benefitting less than others. These child by instruction interactions have been shown to exist in reading instruction and interventions …
Implementation fidelity is often thought of as a necessary condition to achieve internal validity and as having a relation to student outcomes. To examine the nature of this relation, we reviewed reading intervention studies for students in K-12 in …