User Experience Design Quality Control & Assurance 2

Question 1

During a heuristic evaluation of a mobile app, an evaluator finds that error messages say 'Error 404' with no further context. Which Nielsen heuristic does this violate?

Accepted Answer

Help users recognize, diagnose, and recover from errors

Answer

Nielsen's 'Help users recognize, diagnose, and recover from errors' heuristic requires error messages to be expressed in plain language and suggest a solution.

Question 2

A QA team uses the System Usability Scale (SUS) and obtains a score of 51. How should this be interpreted?

Accepted Answer

Marginal usability that likely needs improvement

Answer

A SUS score of 51 falls below the average benchmark of 68, indicating marginal usability that warrants investigation and improvement.

Question 3

What is the primary purpose of conducting a cognitive walkthrough in UX QA?

Accepted Answer

To evaluate learnability by simulating a new user's thought process

Answer

A cognitive walkthrough evaluates learnability by having evaluators step through tasks as a first-time user would, identifying points of confusion.

Question 4

In UX quality assurance, what does 'regression testing' specifically refer to?

Accepted Answer

Verifying that new changes have not broken previously working features or flows

Answer

Regression testing ensures that updates or new features have not introduced defects in parts of the product that were previously functioning correctly.

Question 5

A UX team wants to assess whether their checkout flow meets WCAG 2.1 Level AA standards. Which tool category is MOST appropriate for an initial automated check?

Accepted Answer

Axe or WAVE accessibility checkers

Answer

Automated accessibility checkers like Axe or WAVE scan pages for WCAG violations such as missing alt text, low contrast, and missing form labels.

User Experience Design Practice Test

User Experience Design Practice Test

User Experience Design Quality Control & Assurance 2