Table 4 Wilcoxon signed rank test result in travel time of Police officer.

Paired	Rank (total examples 151)			Wilcoxon signed rank test			Significance (α = 0.008)	Effect size	Sign test
Paired	Negative	Positive	Tired	z	p	p’	Significance (α = 0.008)	Effect size	z	p
ALNS-IR	97	16	38	− 8.246	< 0.001	< 0.006	Significant	0.671	− 7.526	< 0.001
SE75-IR	101	12	38	− 8.369	< 0.001	< 0.006	Significant	0.681	− 8.278	< 0.001
SE90-IR	94	10	47	− 7.869	< 0.001	< 0.006	Significant	0.640	− 8.139	< 0.001
SE75-ALNS	58	65	28	− 0.313	0.754	4.524	Insignificant	0.025	− 0.541	0.589
SE90-ALNS	55	69	27	− 2.080	0.038	0.228	Insignificant	0.169	− 1.167	0.243
SE90-SE75	47	57	47	− 1.380	0.168	1.008	Insignificant	0.112	− 0.883	0.377

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