Table 3.

Correlation matrix

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19
1. Single-dot	1.00
2. Three-dot 1	.44	1.00
3. Three-dot 2	.43	.60	1.00
4. Three-dot 3	.57	.38	.49	1.00
5. Form boards	−.29	−.32	−.31	−.23	1.00
6. Matrix reasoning	−.31	−.39	−.37	−.27	.59	1.00
7. Letter sets	−.31	−.46	−.44	−.34	.45	.60	1.00
8. Paper folding	−.29	−.37	−.34	−.24	.58	.64	.50	1.00
9. Shipley abstraction	−.37	−.48	−.49	−.41	.53	.66	.65	.57	1.00
10. Spatial relations	−.29	−.39	−.33	−.23	.61	.65	.57	.69	.59	1.00
11. Paired associates	−.20	−.30	−.30	−.24	.39	.47	.44	.41	.50	.42	1.00
12. Word recall	−.24	−.35	−.36	−.34	.34	.45	.44	.38	.49	.35	.62	1.00
13. Logical memory	−.24	−.32	−.35	−.30	.37	.46	.44	.42	.56	.38	.53	.55	1.00
14. Letter comparison	−.32	−.35	−.35	−.32	.33	.34	.40	.28	.47	.24	.31	.38	.31	1.00
15. Pattern comparison	−.31	−.29	−.29	−.28	.42	.40	.37	.32	.44	.31	.33	.37	.30	.68	1.00
16. Digit symbol	−.30	−.35	−.36	−.31	.41	.50	.47	.40	.54	.35	.45	.52	.43	.65	.62	1.00
17. Antonym vocabulary	−.15	−.31	−.25	−.15	.25	.32	.39	.29	.40	.35	.39	.27	.39	.14	.08	.14	1.00
18. Synonym vocabulary	−.13	−.30	−.27	−.17	.22	.34	.38	.32	.41	.39	.37	.26	.42	.12	.08	.12	.82	1.00
19. Vocabulary	−.19	−.36	−.33	−.26	.30	.43	.47	.36	.51	.41	.39	.35	.48	.22	.18	.25	.68	.71	1.00
20. Picture vocabulary	−.18	−.34	−.28	−.14	.30	.34	.42	.36	.45	.43	.39	.27	.41	.12	.10	.16	.67	.70	.72

Note. All ps < .01