Mechanical Understanding Test

The Mechanical Understanding Test assesses a candidate’s knowledge of basic mechanical interrelationships and mechanics.


Use the Mechanical Understanding Test to assess a person’s basic mechanical aptitude. 

This test provides the answers you need to make informed decisions.

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The Mechanical Understanding Test (MUT), formerly named the Work Skills Test, is a 65-item, 30-minute test of the comprehension of mechanical principles.

The MUT is a gender-unbiased measure of mechanical comprehension, i.e., there are no differences between the average scores of men and women. This is in sharp contrast with the other tests of mechanical comprehension, which have a strong male bias. Yet, despite having no gender bias, the MUT is as predictive as any other measure of this important characteristic. Also, the standardization of the MUT has revealed no systematic racial or ethnic differences.

There is a new, more comprehensive manual available and an enlarged and enhanced norm base (n = 1,000+).

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