Table 5.  Correlations between personality scores and power output in the experimental placebo condition (n = 14).

Personality trait

Correlation with power output
in placebo trials

95% CI*

Chances effect is clinically positive (trivial/negative)+

Extraversion

-.1

-.6 to .5

29 (25/46)

Agreeableness

-.5

-.8 to .0

1 (5/94)

Conscientiousness

-.7

-.9 to -.3

0 (1/99)

Neuroticism

.5

-.0 to .8

94 (5/1)

Openness to experience

-.3

-.7 to .3

10 (17/73)
* 95% CI = 95% confidence interval. + smallest worthwhile correlation of 0.1.