Table 2.

Nonparametric tests to check the significance of differences in scores of Ravens standard progressive matrices, Eysenck personality questionnaire, Sinha’s Anxiety Scale, stress reaction check list and 16-personality factors for two groups of students categorized according to their exam performance

Test statistic	Group	RSPM	P_P	P_E	P_N	P_L	SAS	SRC	PF16_A
Mann-Whitney U	Examination status	336	705	579	623.5	547	688	611.5	582
Wilcoxon W		864	1833	1707	1151.5	1675	1216	1139.5	1710
Z		−4.17	−0.472	−1.735	−1.287	−2.052	−0.639	−1.407	−1.711
Asymptotic significance (two-tailed)		<0.001	0.637	0.083	0.198	0.04	0.523	0.159	0.087
Test statistic	PF16_C	PF16_E	PF16_F	PF16_G	PF16_H	PF16_I	PF16_L	PF16_M	PF16_N
Mann-Whitney U	691.5	668	641	637.5	687	749	696.5	654.5	647
Wilcoxon W	1219.5	1796	1769	1165.5	1815	1877	1824.5	1782.5	1175
Z	−0.607	−0.842	−1.116	−1.15	−0.652	−0.03	−0.558	−0.985	−1.059
Asymptotic significance (two-tailed)	0.544	0.4	0.265	0.25	0.514	0.976	0.577	0.325	0.29
Test statistic	PF16_O	PF16_Q1	PF16_Q2	PF16_Q3	PF16_Q4	PF16_EXT	PF16_ANX	PF16_TOUGH	PF16_IND
Mann-Whitney U	688	578.5	681	677.5	732	628.5	685	689	716
Wilcoxon W	1816	1706.5	1209	1205.5	1260	1756.5	1213	1217	1244
Z	−0.642	−1.743	−0.713	−0.748	−0.2	−1.234	−0.669	−0.629	−0.36
Asymptotic significance (two-tailed)	0.521	0.081	0.476	0.454	0.841	0.217	0.503	0.529	0.719

SAS – Sinha’s Anxiety Scale; SRC – Stress reaction check list; RSPM – Ravens standard progressive matrices; PF-16 – 16-personality factors