Table 3.

Comparison of PRI for the Response to Challenge Scale–Motor Subscale in Homogeneous and Heterogeneous Groups

	Homogeneous group					Heterogeneous group
Var src	df	Var est	SE	% Var	p	df	Var est	SE	% Var	p
	Grades K-l					Grades K-5
P	58	0.51	0.11	39	.00**	180	0.66	0.08	47	.00**
R	4	0.06	0.05	5	.18	4	0.07	0.04	5	.18
I	2	0.00	0.01	0	.48	2	0.00	0.00	0	.50
PR	232	0.36	0.04	27	.00**	720	0.27	0.02	19	.00**
PI	116	0.02	0.02	2	.11	360	0.04	0.01	3	.00**
RI	8	0.03	0.01	2	.10	8	0.02	0.01	2	.09
PRI,e	464	0.35	0.02	26	.00**	1440	0.35	0.01	25	.00**
	Grades 2–3					Grades K-5
P	58	0.63	0.13	51	.00**	180	0.66	0.08	47	.00**
R	4	0.04	0.03	4	.16	4	0.07	0.04	5	.18
I	2	0.00	0.00	0	.50	2	0.00	0.00	0	.50
PR	232	0.24	0.03	20	.00**	720	0.27	0.02	19	.00**
PI	116	0.01	0.01	1	.22	360	0.04	0.01	3	.00**
RI	8	0.01	0.01	1	.12	8	0.02	0.01	2	.09
PRI,e	464	0.29	0.02	24	.00**	1440	0.35	0.01	25	.00**
	Grades 4–5					Grades K-5
P	62	0.62	0.12	43	.00**	180	0.66	0.08	47	.00**
R	4	0.12	0.08	8	.17	4	0.07	0.04	5	.18
I	2	0.00	0.00	0	.50	2	0.00	0.00	0	.50
PR	248	0.17	0.03	12	.00**	720	0.27	0.02	19	.00**
PI	124	0.07	0.02	5	.01**	360	0.04	0.01	3	.00**
RI	8	0.03	0.02	2	.12	8	0.02	0.01	2	.09
PRI,e	496	0.42	0.03	29	.00**	1440	0.35	0.01	25	.00**

Note. P = person; R = rater; I = item; Var src = source of variance; Var est = variance estimate; SE = standard error; % Var = percentage of total variance; PRI,e = three-way interaction of person, rater, and item. Heterogeneous group results were reported in Lakes and Hoyt (2009).

^**p < .01