Advanced – Non-Functional Testing
Think Time – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
The interval of time between the completion of a system response and the submission by a user of a subsequent request.
In simple words
The pause a real user takes between clicks — models human pacing.
Exam tip
Zero think time simulates worst-case, not real-world, traffic.
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