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. 2009 Jan 13;9:1. doi: 10.1186/1472-6882-9-1

Table 2.

Effect and sample size calculations

Treatment Group Control Group Treatment Effect Size Control Effect Size Comparison Effect Size R2 Effect Size f2 Sample Size
Vickers Badger 1.02 0.00 1.02 0.21 0.27 40

VickersSMLG C-W.AVG 0.80 0.16 0.64 0.09 0.10 101

Vickers90% C-W.AVG 0.62 0.16 0.46 0.05 0.05 187

A-W.AVG C-W.AVG 0.56 0.16 0.40 0.04 0.04 235

Vickers90% Carpenter 0.62 0.37 0.25 0.02 0.02 476

A-W.AVG Carpenter 0.56 0.37 0.19 0.01 0.01 957