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. 2013 Feb 28;8(2):e58113. doi: 10.1371/journal.pone.0058113

Table 1. Mean RTs (and standard deviations) pushing and pulling a lever in response to emotional faces.

Pull Push
Emotion M SD M SD
Anger 672.50 123.11 661.47 117.83
Disgust 643.37 119.94 635.87 109.96
Fear 649.34 130.23 651.25 110.14
Happiness 607.15a 104.16 635.60a 104.13
Sadness 668.81 121.58 671.57 115.67

M =  mean; SD  =  standard deviation; df  = 113; Same letters denote significant differences between means.