How long should a test be?

On the UserTesting platform, a standard remote unmoderated study should be completed by an average contributor in 15–20 minutes.

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About test length

  • There's no magic number for how many tasks or questions should be included in a study.
  • The complexity of the tasks you include can vary significantly, depending on the scope and format.
  • For example, 25 survey-style multiple-choice questions could be completed much more quickly than 10 written response tasks that require a contributor to compare two separate designs. 
  • If you're unsure of how long your study will take a contributor to complete, we suggest using the Preview Test feature or conducting a pilot test with just one contributor.




  • Be conscious of contributor fatigue: tasks that trigger lengthier written responses, particularly for tests on a mobile device, can be cumbersome or time-consuming. So keep these to a minimum. 
  • Adding metrics questions to your tasks: these survey-style questions help you to add quantitative data quickly and can easily be shared. 
  • Include time frames for some tasks: For example: "Spend up to two minutes reviewing the site. What do you like or dislike about it?"



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