The results of repeated measures ANOVA on the expectancy of pain intensity.

The results of repeated measures ANOVA on the pain intensity ratings.

BackgroundThe placebo effect is usually studied in clinical settings for decreasing negative symptoms such as pain, depression and anxiety. There is interest in exploring the...

Performance of the placebo and control groups in the three creativity tests.

Data is reported as mean±SD or count (frequency). **: P<0.05. 1Daytime sleepiness (ESS score): a score of 10 or more is considered sleepy.2Subjective sleep quality (PSQI...

ObjectiveTo evaluate the effects of study participation per se at the beginning of a sleep extension trial between screening, randomization, and the run-in visit.DesignSubjects...

Characteristics of the subjects in each experimental group: Means (and standard deviations).

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Descriptive statistics for pain intensity ratings, expectancy of pain intensity score.

Demographic and clinical characteristics for different groups.