Table 4

Means and standard deviations of wine check mix by group and time

Time
Time 0
Training start
Time 1
Training end
Time 2
30 Days post-training
Time 3
60 Days post-training
Mean (SD)Mean (SD)Mean (SD)Mean (SD)
Training group0.144 (0.055)0.141 (0.050)0.144 (0.063)0.132 (0.047)
Control group0.137 (0.052)0.144 (0.052)0.134 (0.047)0.118 (0.045)
Failed certification exam (Training Group Only)0.176 (0.053)0.169 (0.065)0.162 (0.075)0.135 (0.038)
Passed Certification Exam (Training Group Only)0.132 (0.052)0.129 (0.039)0.137 (0.057)0.130 (0.051)

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