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QA (quality assurance) & UX (user experience) - Jakob Nielsen's Alertbox

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Jakob Nielsen’s Alertbox: February 17, 2013

Accessibility (6)

QA & UX

Advertising (9)
Agile (3)
Applications (31)
Audience Types (22)
B2B Websites (4)
Content Strategy (22)
Corporate Websites (6)
Credibility & Persuasion
(8)
Design Mistakes (16)
E-commerce (17)
Email (13)

Summary: Quality assurance impacts the user experience: when things don’t work, users question their understanding and develop superstitions and inefficient workarounds.
Quality assurance (QA) and user experience (UX) have a two-way relationship:
• Most obvious, usability is a quality measure for design. To ensure usability, a good UX thus requires QA thinking.
• Beyond the user interface itself, many other quality issues also impact the total UX .

Eyetracking (14)
Heuristic Evaluation (7)
Human Computer
Interaction (35)
Information Architecture

Usability as QA
By definition, usability involves measurable quality attributes such as ease of learning, efficiency of use, and user satisfaction.

(11)

My 30 years’ experience in usability has repeatedly shown me the same lesson: QA

Interaction Design (3)

beats QC (quality control) many times over as the approach to design quality. It’s

Internet and Society

much better to bake-in usability from the very start—before you’ve even begun to

(11)

design anything—than it is to wait until there’s a near-final design and then subject it to

Intranets (31)

“validation” in user testing.

Management (21)
Mobile & Tablet (41)

Early focus on usability also vastly boosts ROI; it’s 100 times cheaper to fix a design

Navigation (32)

flaw on the drawing board than after product launch.

New to User Experience
(1)

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