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. 2007 Jan 12;1:3. doi: 10.1186/1750-4732-1-3

Table 5.

Effect Sizes (Cohen's d) for Each Statement for Treatment Groupings*

HVLA & ULTRA ULTRA & LT HVLA & LT
S1 -0.29 -0.21 -0.49
S2 -0.11 -0.31 -0.38
S3 -0.41 -0.09 -0.47
S4 -0.21 0 -0.19

*HVLA – High-Velocity Low-Amplitude; ULTRA = Sub-therapeutic Ultrasound;

LT = Light Touch.

Cohen's d – 0.2 small effect; 0.5 moderate effect; 0.8 large effect [18].