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Spatial Aptitude and Permutational Ability.

The relationship between spatial aptitude and the ability to permute letters and numbers was investigated by presenting the Revised Minnesota Paper Form Board (MPFB), a letter rearrangement test (LRT), and a number rearrangement test (NRT) to two separate samples of college students (N = 94 and N = 53). For every comparison (MPFB vs. LRT and MPFB vs. NRT) and for males and females alike, significant positive correlations were obtained. In addition, a high positive correlation between the two permutational tasks (LRT vs. NRT) was observed. The results confirmed the hypothesis that spatial aptitude is associated with permutational skill and suggested that the former may also be associated with some of Guilford's divergent production factors.