Think Time
Think time is the delay between consecutive user actions while interacting with a system.
“The amount of time required by a user to determine and execute the next action in a sequence of actions.”
(Definition reproduced from the ISTQB Glossary. Copyright belongs to ISTQB.)
View the complete ISTQB GlossaryWhat is Think Time?
Performance tests often simulate realistic think times to better represent actual user behavior and workload patterns.
User simulation: Represents human interaction delays.
Performance impact: Affects workload generation.
Realistic testing: Improves accuracy of performance tests.
Real World Example
A regulated product team is preparing a release where Think time appears in reviews, test design conversations, or defect triage rather than as an isolated glossary word.
The risk is that the team treats Think time as interchangeable with nearby ISTQB terms. That makes test scope blurry and can lead to weak evidence for the release decision.
The tester anchors the discussion in the official definition, asks where the concept appears in the product, and designs examples that show the difference between Think time and similar ideas.
The page becomes useful in practice because Think time is connected to a specific testing decision, not memorized as a detached definition.
Practice Questions
Question 1
Which statement BEST describes Think time in the context of ISTQB terminology?
Question 2
A tester needs to explain Think time to a non‑technical stakeholder. Which approach is MOST appropriate?
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