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Table 5 Happiness comparison between experimental (N = 9) and control group (N = 9)

From: Measuring happiness increases happiness

  Average happiness Shapiro–Wilk (p-value) Mann Whitney U (p-value) Number of observations Standard deviation Minimum Maximum
Self-reported        
 Experimental group 1.26 1.17e−41 5.30e−09 1218 0.54 0 2
 Control group 1.10 2.53e-33 905 0.62 0 2
Predicted        
 Experimental group 1.29 0 0 89,684 0.57 0 2
 Control group 1.13 0 87,084 0.62 0 2