Abstract
This meta-analysis examined the effectiveness of supplemental Tier-2 mathematics interventions for students with mathematics difficulties (MD). We reviewed 39 experimental and quasi-experimental studies that included 40 independent samples, with 61 treatment groups. Utilizing robust variance estimation (RVE), results revealed a treatment effect of 0.41. Mixed-effects meta-regression analyses revealed that Tier-2 interventions were moderated by intervention model type, group size, and type of measure. We present recommendations for future research and implementation of mathematics practices.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 307-325 |
| Number of pages | 19 |
| Journal | Exceptional children |
| Volume | 87 |
| Issue number | 3 |
| DOIs | |
| State | Published - Nov 4 2020 |
Bibliographical note
Publisher Copyright:© The Author(s) 2020.
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