Test guide and practice

Error checking tests

Improve fast, exact comparison of codes, records and structured information.

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Reviewed 13 August 2026

An error-checking test asks you to compare information and detect mismatches quickly. The content is usually simple, but accuracy is difficult because codes, names or records are deliberately similar and the time limit is tight.

The skill

What is a error checking test?

An error-checking test asks you to compare information and detect mismatches quickly. The content is usually simple, but accuracy is difficult because codes, names or records are deliberately similar and the time limit is tight.

The test assesses checking accuracy, attention to detail and the ability to maintain a consistent comparison process under repetitive time pressure.

Question formats

What do the questions look like?

You may compare two lists, find a changed character, check whether a record was transferred correctly or count the differences between codes. Some provider formats require rapid classification rather than a simple same-or-different response.

  • Code and reference comparison
  • Transcription and data-transfer errors
  • Same-or-different record matching
  • Missing, duplicated or reordered characters
  • Multi-field checking under time pressure
A typical task

A customer record appears in a source table and an entered form. You compare the reference number, date and amount, then report how many fields were copied incorrectly.

Launch coverage

Which providers use error checking tests?

SHL Verify Checking, Korn Ferry / Talent Q Checking Ability and Saville Error Checking share core comparison skills while differing in record layout, response method and pace.

Provider names identify the assessment format. Cognivy is independent and is not affiliated with or endorsed by these providers.

A clear route

How should you prepare?

  1. 1

    Use a fixed left-to-right or field-by-field scan.

  2. 2

    Compare small chunks instead of whole strings at once.

  3. 3

    Separate omission, substitution and transposition errors during review.

  4. 4

    Increase speed only after the scan method produces stable accuracy.

  5. 5

    Practise the target provider's exact record layout and response action.

Cognivy uses your assessment date to choose the route. It does not ask you to predict a permanent study schedule. When you sit down to practise, choose the session length that fits that day.

What slows progress

Common mistakes

  • Scanning inconsistently from question to question
  • Looking at whole strings instead of controlled chunks
  • Speeding up before accuracy is stable
  • Failing to re-anchor after finding the first mismatch