Table 2.

Item Slope, Location, and Intercept Parameter Estimates Under the Graded Response Model, Assuming a Normally Distributed Latent Trait.

	Slope		Location				Intercept
	α	β1	β2	β3	β4	γ1	γ2	γ3	γ4
Item 1	1.71	−0.77	0.40	1.72	2.98	1.31	−0.69	−2.94	−5.09
Item 2	2.25	−0.40	0.46	1.52	2.48	0.90	−1.03	−3.42	−5.58
Item 3	1.80	0.26	1.18	2.21	3.26	−0.47	−2.12	−3.98	−5.86
Item 4	1.57	−1.21	0.04	1.96	3.60	1.90	−0.06	−3.08	−5.65
Item 5	2.65	−0.13	0.70	1.69	2.55	0.34	−1.86	−4.48	−6.75
Item 6	2.92	0.47	1.16	1.81	2.70	−1.38	−3.39	−5.28	−7.87
Item 7	2.85	−0.66	0.42	1.59	2.75	1.87	−1.20	−4.53	−7.86
Item 8	1.97	−0.17	0.69	1.68	2.77	0.34	−1.36	−3.32	−5.46
Item 9	3.14	0.65	1.13	1.77	2.65	−2.03	−3.55	−5.56	−8.32
Item 10	3.35	0.18	0.89	1.62	2.52	−0.61	−2.97	−5.42	−8.46
Item 11	2.76	−0.12	0.71	1.67	2.53	0.33	−1.95	−4.61	−6.98
Item 12	2.60	0.08	0.94	1.85	2.79	−0.20	−2.45	−4.81	−7.25
Item 13	2.25	0.01	0.76	1.76	2.52	−0.02	−1.72	−3.96	−5.67
Item 14	2.75	−0.05	0.75	1.63	2.84	0.14	−2.06	−4.48	−7.80
Item 15	2.62	0.32	0.97	1.97	2.94	−0.83	−2.54	−5.16	−7.69
Item 16	3.30	0.21	0.98	1.75	2.69	−0.70	−3.23	−5.78	−8.88
Item 17	2.62	0.13	0.90	1.82	2.55	−0.33	−2.34	−4.76	−6.67
Item 18	3.23	0.01	0.76	1.64	2.42	−0.03	−2.47	−5.30	−7.83
Item 19	2.49	−0.76	0.39	1.62	2.75	1.88	−0.98	−4.04	−6.86
Item 20	2.20	−0.28	0.76	1.90	3.11	0.62	−1.67	−4.17	−6.82
Item 21	2.19	−1.05	0.20	1.60	2.96	2.30	−0.45	−3.51	−6.47
Item 22	3.21	−0.08	0.78	1.68	2.62	0.25	−2.51	−5.38	−8.42
Item 23	3.27	0.21	1.01	1.84	2.54	−0.68	−3.31	−6.03	−8.31
Item 24	2.38	−0.24	0.64	1.69	2.72	0.57	−1.52	−4.01	−6.45
Item 25	3.00	−0.07	0.72	1.62	2.47	0.21	−2.17	−4.87	−7.41
Item 26	3.33	0.59	1.11	1.84	2.54	−1.98	−3.69	−6.12	−8.46
Item 27	2.68	−0.16	0.73	1.71	2.61	0.43	−1.96	−4.57	−7.00
Item 28	2.79	−0.17	0.65	1.65	2.53	0.47	−1.82	−4.60	−7.05
Item 29	2.42	0.69	1.34	2.06	2.79	−1.66	−3.23	−4.97	−6.75
Mean	2.63	−0.09	0.76	1.75	2.73	0.10	−2.08	−4.59	−7.09
SD	0.50	0.47	0.30	0.15	0.26	1.12	0.95	0.86	1.04
Meanp	2.17	−0.19	0.81	2.04	3.15
SDp	0.43	0.65	0.55	0.43	0.47

Note. α = slope, β = location, γ = intercept,

^pindicates Pilkonis et al. (2011) results.