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. 2014 Jul 17;5:782. doi: 10.3389/fpsyg.2014.00782

Table 1.

Intercorrelations, means, standard deviations, and ranges of the measures of this study.

1 2 3 4 N M SD Range
1. Constructive play 73 7.22 2.22 9.00
2. Spatial ability 0.25* 128 13.25 7.45 27.00
3. Word problem-solving performance 0.35** 0.55** 128 6.68 2.87 14.00
4. Sex -0.16 -0.14 -0.16 128

*p< 0.05, **p < 0.001.