The Minnesota Multiphasic Personality Inventory

Although the MMPI is now regarded as 'out of date' by the profession, these charts show the only personality profile comparisons we know of, between Naturists and non-Naturists. 

The key points are: by definition, the central horizontal line represents the 'half-way mark' (the peak of a bell curve) while the other two horizontal lines represent where 50% of the population 'fits.' That is: the 'normal' half of the population fit between the upper and lower horizontal lines, with a quarter lying above the upper, and the remaining quarter lying below the lower line. 

The vertical dotted lines specify the various dimensions of personality measured - line 5 (the Mf scale) being the one translated here as 'aggression'.

Research Summary

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Naturists - married male 

Naturists - unmarried male 

Naturists - married female 

Naturists - unmarried female