Table 9.

Results of the discrimination analysis of items.

Coding	Mean ±SD		T-value	P-value
	High grouping	Low grouping
	(N = 318)	(N = 304)
Q1	3.98 ± 0.86	2.56 ± 0.93	10.593	<0.01
Q2	4.09 ± 0.71	2.76 ± 1.01	10.196	<0.01
Q3	4.14 ± 0.64	2.47 ± 0.90	14.383	<0.01
Q4	4.07 ± 0.77	2.60 ± 0.95	11.310	<0.01
Q5	4.18 ± 0.66	2.86 ± 0.94	10.884	<0.01
Q6	4.23 ± 0.66	2.72 ± 0.96	12.251	<0.01
Q7	4.09 ± 0.71	2.58 ± 1.01	11.529	<0.01
Q9	3.89 ± 0.79	2.48 ± 0.96	10.769	<0.01
Q10	3.86 ± 0.91	2.23 ± 0.88	12.223	<0.01
Q11	4.20 ± 0.68	2.22 ± 0.90	16.536	<0.01
Q12	4.00 ± 0.73	2.26 ± 0.86	14.579	<0.01
Q13	3.73 ± 0.89	2.06 ± 0.85	12.875	<0.01
Q14	4.02 ± 0.68	2.27 ± 0.91	14.603	<0.01
Q18	4.10 ± 0.61	2.40 ± 0.99	13.795	<0.01
Q20	4.12 ± 0.66	2.57 ± 0.91	13.069	<0.01
Q21	4.16 ± 0.58	2.52 ± 0.90	14.506	<0.01
Q22	4.26 ± 0.55	2.66 ± 0.90	14.369	<0.01
Q24	4.27 ± 0.59	2.60 ± 0.86	15.024	<0.01
Q25	4.21 ± 0.64	2.75 ± 0.87	12.719	<0.01
Q26	4.27 ± 0.56	2.83 ± 1.03	11.605	<0.01
Q30	4.16 ± 0.73	2.32 ± 0.89	15.152	<0.01
Q31	4.04 ± 0.77	2.15 ± 0.95	14.644	<0.01
Q33	3.92 ± 0.82	2.18 ± 0.92	13.453	<0.01
Q37	4.14 ± 0.72	2.30 ± 0.94	14.778	<0.01