Table 2. Descriptive statistics of items.

	Mean	Standard Deviation	Skewness (typical error = 0.108)	Kurtosis (typical error = 0.215)
Item 1	4.14	.974	-1.116	.942
Item 2	4.30	.815	-.980	.397
Item 3	4.57	.698	-1.619	2.181
Item 4	4.15	.869	-.959	.797
Item 5	4.33	.895	-1.315	1.220
Item 6	4.24	.886	-1.059	.601
Item 7	4.45	.827	-1.426	1.307
Item 8	4.57	.690	-1.511	1.618
Item 9	4.42	.888	-1.691	2.795
Item 10	4.39	.905	-1.519	1.833
Item 11	4.56	.715	-1.643	2.435
Item 12	4.53	.714	-1.519	2.036
Item 13	4.18	1.072	-1.215	.672
Item 14	4.39	.762	-1.103	.642
Item 15	4.47	.794	-1.514	2.054
Item 16	4.14	.966	-.889	.011
Item 17	4.40	.834	-1.432	1.749
Item 18	4.43	.835	-1.502	2.105
Item 19	4.20	.956	-.954	.041
Item 20	4.34	.833	-1.263	1.480
Item 21	3.15	1.268	-.072	-.991
Item 22	2.87	1.346	.068	-1.128
Item 23	3.25	1.326	-.279	-1.016
Item 24	4.41	.774	-1.324	1.829
Item 25	4.39	.802	-1.235	.996
Item 26	3.77	1.254	-.718	-.577
Item 27	3.95	1.005	-.771	.027
Item 28	4.01	.999	-.889	.355
Item 29	3.88	1.081	-.842	.151
Item 30	3.51	1.141	-.426	-.554
Item 31	4.54	.751	-1.961	4.646
Item 32	3.72	1.225	-.693	-.444
Item 33	3.83	1.247	-.828	-.355