Table 1.

Within and between correlation matrices, and intraclass correlations for TCQ items.

	1	2	3	4	5	6	7	8	9	10
MAXIMUM LIKELIHOOD ESTIMATED SIGMA WITHIN CORRELATION MATRIX
1. Visual	1
2. Speech	−0.55	1
3. Intended	−0.08	0.19	1
4. Structured	−0.19	0.33	0.19	1
5. Realistic	−0.05	0.10	0.04	0.07	1
6. Concrete	−0.03	0.12	0.08	0.10	0.52	1
7. Important	−0.14	0.26	0.08	0.19	0.27	0.14	1
8. Goals	−0.24	0.34	0.08	0.23	0.22	0.14	0.61	1
9. Repetitive	−0.15	0.25	0.05	0.12	0.12	0.01	0.57	0.52	1
10. Affective	0.18	−0.16	−0.01	−0.03	0.03	0.06	0.05	−0.02	−0.08	1
MAXIMUM LIKELIHOOD ESTIMATED SIGMA BETWEEN CORRELATION MATRIX
1. Visual	1
2. Speech	−0.22	1
3. Intended	0.38	−0.30	1
4. Structured	0.52	0.005	0.25	1
5. Realistic	0.02	0.25	−0.32	0.13	1
6. Concrete	0.09	0.21	−0.24	−0.08	0.60	1
7. Important	0.01	0.26	−0.34	0.22	−0.20	−0.14	1
8. Goals	−0.05	0.23	−0.06	0.12	−0.12	−0.29	0.74	1
9. Repetitive	0.27	0.16	0.05	0.36	−0.39	−0.22	0.84	0.79	1
10. Affective	0.35	−0.11	0.27	0.41	0.05	0.02	0.11	0.15	0.14	1
INTRACLASS CORRELATION
	0.22	0.23	0.39	0.26	0.33	0.29	0.23	0.19	0.23	0.33