Table 1.

Scales, item scalability coefficients (Hi), standard errors (SE), and invariant item ordering (IIO) for Items on the PLS-5 AC and EC Scales.

	Auditory Comprehension			Expressive Communication
Item #	Item Hi	SE	IIO	Item Hi	SE	IIO
27	.56	.01	0	.73	.07	0
28	.63	.11	0	.67	.07	0
29	.59	.14	0	.74	.06	0
30	.74	.08	0	.84	.07	0
31	.52	.08	0	.82	.06	0
32	.50	.08	0	.79	.04	0
33	.42	.11	0	.76	.05	0
34	.47	.07	0	.60	.07	0
35	.57	.05	0	.60	.07	0
36	.57	.05	1	.64	.06	0
37	.48	.07	1	.61	.06	1
38	.51	.06	0	.71	.05	0
39	.52	.06	0	.56	.06	0
40	.37	.06	1	.53	.06	2
41	.50	.05	3	.63	.05	1
42	.45	.06	1	.61	.08	0
43	.33	.07	2	.64	.05	0
44	.36	.06	1	.60	.08	0
45	.50	.06	0	.60	.06	0
46	.46	.05	0	.65	.08	0
47	.40	.07	0	.61	.06	0
48	.40	.07	0	.77	.09	0
49	.41	.07	1	.63	.08	0
50	.40	.08	0	.62	.07	0
51	.40	.10	0	.75	.06	0
52	.49	.16	0	.81	.09	0
53	.60	.05	1	.80	.07	0
54	.49	.07	0	1.00	.00	0
55	.60	.09	0	.77	.07	0
56	.56	.05	0	.76	.07	0
57	.55	.06	0	.91	.07	0
58	.45	.12	0	1.00	.00	0
59	.55	.07	0	.97	.08	0
60	.49	.01	0	1.00	.00	0
61	.43	.03	0	1.00	.00	0
62	NA	NA	NA	.96	.03	0
63	NA	NA	NA	.91	.08	0
64	NA	NA	NA	.87	.08	0
65	NA	NA	NA	.91	.08	0
66	NA	NA	NA	1.00	.00	0

Note. PLS-5 = Preschool Language Scales–Fifth Edition; AC = Auditory Comprehension; EC = Expressive Communication; NA = not applicable.