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Table 1 Mean and standard deviation of SRT, CRT, Go-nogo, Anti-saccade

From: Mechanisms of cognitive control in cadet pilots

  SRT CRT Go-nogo Anti-saccade
M (SD) M (SD) M (SD) M (SD)
(a) Accuracy
 Morning group (N = 11) 1 0 0.91 0.04 0.95 0.02 0.82 0.14
 Late- afternoon group (N = 13) 1 0 0.95 0.03 0.97 0.02 0.85 0.05
 Late-evening group (N = 15) 1 0 0.94 0.03 0.96 0.02 0.827 0.09
 Group main effect ns ns ns ns
 Morning group vs. late-afternoon group ns ns ns ns
 Late-afternoon vs. late-evening group ns ns ns ns
 Late-afternoon group vs. late-evening group ns ns ns ns
(b) Reaction Time
 Morning group (N = 11) 238.07 24.17 526.8 90.26 466.2 21.02 504.69 157.41
 Late-afternoon group (N = 13) 236.69 20.49 530.37 61.88 477.23 18.44 432.31 77.82
 Late-evening group (N = 15) 234.73 27.63 492.8 42.89 471.38 20.85 447.72 82.92
 Group main effect ns ns ns ns
 Morning group vs. late-afternoon group ns ns ns ns
 Late-afternoon vs. late-evening group ns ns ns ns
 Late-afternoon group vs. late-evening group ns ns ns ns