TABLE 2.

Correlations between observed test scores.

	1	2	3	4	5
(1) ULT	−
(2) Packing	0.36	–
(3) IPT	0.38	0.30	–
(4) MCT	0.40	0.40	0.35	−
(5) MRT	0.43	0.42	0.37	0.39	−
(6) IST-M	0.21	0.16	0.12	0.05	0.26

All bolded values are significant at p < 0.01. ULT, Urban Layout Test; IPT, Indoor Perspective Test; MRT, Mental Rotations Test; MCT, Mental Cutting Test; IST-M, Intelligence Structure Test – Matrices.