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Differential Aptitude Tests

Measure specific work-related cognitive and perceptual abilities

The Differential Aptitude Test (DAT) has a history stretching back to 1947 with its original authors being amongst the most prestigious names in the history of psychometric test development. The DAT comprise of eight different aptitude assessments, which are related to success in different roles and areas of work. Each aptitude test takes between 10 – 20 minutes to administer.

The eight aptitudes are:

TEST WHAT IT DOES
Verbal Reasoning
How well can you understand ideas expressed in words? How clearly can you think and reason with words?
Numerical Ability How well can you understand ideas expressed in numbers? How clearly can you think and reason with numbers?
Abstract Reasoning How well can you understand ideas that are not expressed in words or numbers? How well do you think out problems even when there are no words to guide you?
Perceptual speed and accuracy How fast and how well can you do the paperwork that is so important in all offices, scientific laboratories, stores, warehouses and wherever records are made, filed or checked?
Mechanical Reasoning How easily do you grasp the common principles of physics as you see them in everyday life. How well do you understand the laws governing simple machinery, tools and bodies in motion?
Space Relations How well can you visualise, or form mental pictures of, solid objects from looking at flat paper plans. How well can you think in three dimensions?
Spelling How well can you recognise correct and incorrect spellings of common English words?
Language Usage How well can you use the English language? How well do you handle punctuation, capitalisation, and choice of words?

Different aptitudes are often combined to assess for the specific aptitudes required for different roles. Commonly combined aptitudes include:

  • Numerical Reasoning, Verbal Reasoning, Abstract Reasoning
  • Numerical Reasoning, Abstract Reasoning
  • Mechanical Reasoning, Space Relations