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Average effect sizes for components of working memory in two meta-analyses of ADHD
| Effect size (Cohen’s d) and CI | |||
|---|---|---|---|
| Meta-analysis | WM Memory System | Verbal | Nonverbal |
| Martinssen et al. (2005) | Storage | 0.47 (0.36–0.59) | 0.85 (0.62–1.08) |
| Central Executive | 0.43 (0.24–0.62) | 1.14 (0.82–1.46) | |
| Willcutt et al. (2005) | Working Memory | 0.55 (0.44–0.65). | .63 (0.47–0.79) |
