Measuring Listening Comprehension and Predicting Language Development in At-Risk Preschoolers

Figures & data

Figure 1. Excerpt from the LURI test.

Figure 2. Item Characteristic Curves.

Note: Items are split into their story-question blocks for reading ease.

Figure 3. Item Information Functions.

Note: Items are split into their story-question blocks for reading ease.

Table 1. Item Parameters for the 2PL Model.

Story Number	Item Number	Difficulty	Discrimination	Proportion of Correct Answers (%)	Maximum Information
1	1	−1.89	0.83	80.14	0.17
	2	−2.25	0.83	83.97	0.17
	3	−2.15	0.40	69.69	0.04
2	4	−1.05	0.93	70.03	0.21
	5	−2.00	0.58	74.91	0.09
	6	−1.88	0.52	71.78	0.07
3	7	0.68	0.69	39.72	0.12
	8	0.07	0.72	49.13	0.13
	9	1.05	1.25	26.48	0.39
4	10	0.69	0.68	39.72	0.11
	11	2.76	1.35	04.53	0.46
	12	1.42	0.66	29.97	0.11
5	13	−0.73	0.70	61.67	0.12
	14	−0.16	0.91	53.66	0.21
	15	0.52	0.81	41.11	0.16
6	16	1.01	0.99	30.31	0.24
	17	0.60	1.16	36.93	0.33
	18	−0.92	1.29	72.13	0.41
7	19	−0.95	1.59	75.26	0.63
	20	0.20	0.75	47.04	0.14
	21	−0.67	1.03	64.46	0.27
	22	0.26	0.59	46.69	0.09
8	23	1.29	1.09	24.04	0.30
	24	−0.07	1.60	53.31	0.64
	25	0.25	1.72	43.90	0.74
	26	1.46	1.62	15.33	0.66
9	27	−0.40	1.06	59.23	0.28
	28	−1.00	1.77	77.70	0.78
	29	−0.45	0.92	59.23	0.21
	30	2.36	1.12	09.76	0.31
	31	1.73	0.71	24.74	0.13
10	32	2.97	0.73	11.85	0.14
	33	−0.82	1.75	73.52	0.77
	34	0.20	1.23	45.99	0.38
	35	4.74	0.46	10.80	0.05
	36	3.84	0.50	13.59	0.06