𝔖 Bobbio Scriptorium
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Meta-analysis using multilevel models with an application to the study of class size effects

✍ Scribed by Harvey Goldstein; Min Yang; Rumana Omar; Rebecca Turner; Simon Thompson


Book ID
108547870
Publisher
John Wiley and Sons
Year
2000
Tongue
English
Weight
179 KB
Volume
49
Category
Article
ISSN
0035-9254

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## Abstract Drug induced cognitive change is generally investigated using small sample sizes. In terms of null hypothesis significance testing (NHST) this can render a meaningful change non‐significant, as a result of insufficient power in the statistical model. NHST leads to β€˜all or none’ thinking