User-based Quality
User-based quality is a quality perspective that defines quality according to how well a product satisfies the needs, preferences, and expectations of its users.
“A view of quality measured by the degree that the needs, wants, and desires of a user are met.”
(Definition reproduced from the ISTQB Glossary. Copyright belongs to ISTQB.)
View the complete ISTQB GlossaryWhat is User-based Quality?
From this viewpoint, a high-quality product is one that delivers value and satisfaction to its intended users.
Customer focused: Quality depends on user satisfaction.
Subjective evaluation: Different users may judge quality differently.
Value driven: Emphasizes fitness for user needs.
Real World Example
A regulated product team is preparing a release where User-based quality appears in reviews, test design conversations, or defect triage rather than as an isolated glossary word.
The risk is that the team treats User-based quality 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 User-based quality and similar ideas.
The page becomes useful in practice because User-based quality is connected to a specific testing decision, not memorized as a detached definition.
Practice Questions
Question 1
Which statement BEST describes User-based quality in the context of ISTQB terminology?
Question 2
A tester needs to explain User-based quality to a non‑technical stakeholder. Which approach is MOST appropriate?
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