Table 5.

RMSE of Item Response Function, Averaged Across Items.

			c = 0 Estimation model			c = 0.2 Estimation model
	r	Generating model	Interaction	Product	Compensatory	Interaction	Product	Compensatory
2-θ
		Interaction
	0		0.014	0.041	0.037	0.017	0.035	0.030
	.7		0.014	0.038	0.028	0.016	0.025	0.020
	.9		0.015	0.048	0.029	0.017	0.024	0.020
		Product
	0		0.047	0.013	0.062	0.036	0.015	0.051
	.7		0.027	0.014	0.026	0.024	0.016	0.022
	.9		0.018	0.015	0.019	0.018	0.017	0.017
4-θ
	0	Interaction	0.014	0.045	0.034	0.017	0.038	0.028
	.7		0.015	0.039	0.029	0.019	0.027	0.020
	.9		0.013	0.050	0.030	0.018	0.023	0.020
		Product
	0		0.041	0.014	0.061	0.032	0.016	0.049
	.7		0.028	0.015	0.026	0.025	0.016	0.022
	.9		0.018	0.016	0.017	0.019	0.016	0.016

Note. RMSE = root mean square error.