Table 11.

Result of Wilcoxon signed-rank test (comparison over time)

Test of assumptionResultsAnalysis of significance
Is the distribution symmetric?No. of ranks positive/(negative)Result of Wilcoxon signed-rank test (2-tailed)Measure of effect size (PSdep)
2013-2014Yes8 (18)−1.689 (0.091)Not required
2015-2016Yes12 (14)−0.978 (0.328)Not required

Note: () The values in parenthesis represent the p-values

Source: Authors’ calculation

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