Numerical Data Interpretation Test™ (NDIT)

Assess the ability to interpret and manipulate numerical data in the workplace

This version is available on our new platform TalentLens Online. If you want to access your platform for free, please contact us on 0345 099 1485 or fill out the form at the bottom of this page.

Formerly known as Athena, NDIT™ assesses numerical reasoning ability. It is designed to measure the ability to interpret and manipulate data, which is required in most roles. NDIT looks at candidates’ aptitude to:

  • Draw appropriate inferences from data
  • Calculate values using basic arithmetic operators and work with decimals and fractions
  • Understand information presented in tables, charts and graphs
  • Identify when additional data is required to draw particular assumptions

NDIT items have been designed to have high face validity and reflect the types of numerical data routinely encountered in numerous roles within the modern workplace.

NDIT should not be confused with exams measuring mathematical ability; these reflect the ability to learn, retain, and apply mathematical formulas but they do not predict how well a person will perform when interpreting data in the workplace.

NDIT allows assessors to easily administer the online tests to any number of test takers for unsupervised remote completion.


  • Items are drawn from a large bank, ensuring no two candidates receive the same test. This allows for unsupervised testing and improved test security.
  • Features both multiple choice and free response items. Free response items make guessing the correct answer highly unlikely, which improves the accuracy of the assessment.
  • Items are highly relevant to the real numerical problems encountered at work, which improves applicants’ testing experience and fairness impressions.
  • Easy to administer. Online test link can be sent to any number of test-takers with one click.

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