Mechanical Aptitude Test

Mechanical Aptitude Test

The Mechanical Aptitude Test measures a candidate’s ability to solve problems related to physical laws and mechanical operations. The test items are based on problems that can only be solved by using reasoning abilities that can be applied to the physically observable world.

This test is useful for selecting candidates for jobs that require working on tasks related to engineering.

Test properties

Type of test: Ability / Knowledge test

Useful for: Predicting job performance in jobs with tasks related to mechanical operations.

Time limit: 30 minutes

Number of test items: 40

Item response form: Multiple choice

Languages: English

Mode of Administration: Online

What the items measure

Mechanical comprehension:
The ability to understand and solve problems of mechanical nature.

Knowledge of physical laws:
The ability to use knowledge related to the science of physics to solve pertinent problems.

Detailed Test Report

For every candidate completing the Mechanical Aptitude Test, you will be able to download or print a detailed test report. The first page of the test report grants a quick overview of the candidate’s overall performance on the test. On the following page of the test report, you may compare the candidate’s results with norm groups of 5 different occupations. The results of the candidate are compared to a norm group to get the percentile population score. For example, if a candidate has a score of 70, he/she scored as well or better than 70 percent of the 3,000 people who were part of our 2014 test norming study.

Click here to view a sample test report.

Mechanical Aptitude Test Report

Evidence of Validity

An exploratory factor analysis was conducted on a validation study dataset. Results are interpreted through a scree plot below, which indicates that the best factorial structure for the test is that of only one factor. This indicates that the scores of the test can be interpreted as one single indicator of the overall mechanical reasoning of candidates.

Evidence of Reliability

The Mechanical Aptitude Test has an appropriate level of internal consistency reliability, indicated by the following coefficients:

Cronbach's α: 0.79
McDonald's ω: 0.79

Mechanical Aptitude Test Scree Plot


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