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. 2011 Mar 15;4:67–77. doi: 10.2147/JPR.S15966

Table 2.

Means (M) and standard deviations (SD) for expected and actual numeric rating scale pain intensity scores in the Verbal + Expectation group

M (SD)
Placebo Control Control − placebo
Expected pain rating 2.86 (2.18) 5.36 (1.99) 2.40 (1.24)*
Actual pain rating 4.86 (2.68) 5.43 (2.31) 0.57 (1.22)

Notes:

*

F(1,14) = 17.33; P = 0.001.