Usability Testing
Usability Testing is the process of evaluating a software application to ensure it is easy to use, intuitive, and user-friendly, from an end-user’s perspective.
Usability testing answers: “Can users easily and efficiently use the application?”
1. Definition
Usability Testing is the process of evaluating a software application to ensure it is easy to use, intuitive, and user-friendly, from an end-user’s perspective.
Usability testing answers: “Can users easily and efficiently use the application?”
2. Purpose of Usability Testing
- Improve user satisfaction
- Reduce user errors
- Ensure intuitive navigation
- Validate clarity of content and messages
- Increase adoption and trust
3. Key Usability Factors
Usability testing evaluates:
- Learnability
- Efficiency
- Memorability
- Error handling
- User satisfaction
4. Manual Tester’s Role
- Think like a real end user
- Evaluate ease of navigation
- Validate clarity of labels, messages, and flows
- Identify confusing or unnecessary steps
- Report usability issues with suggestions
5. Usability Testing Scope
Includes:
- Navigation and menus
- Page layout and readability
- Error messages and help texts
- Form usability
- Consistency across screens
6. Usability Testing vs UI Testing
| Aspect | Usability Testing | UI Testing |
|---|---|---|
| Focus | User experience | Visual correctness |
| Goal | Ease of use | Design adherence |
| Outcome | User satisfaction | Visual consistency |
7. Real-Time Example
Checkout usability testing:
- Is checkout flow clear?
- Are error messages helpful?
- Are too many steps required?
8. Entry & Exit Criteria
Entry Criteria
- Functional testing completed
- Stable UI available
Exit Criteria
- Major usability issues addressed
- User flows intuitive and smooth
9. Common Usability Defects
- Confusing navigation
- Poor error messages
- Unclear labels or instructions
- Too many steps to complete a task
10. Common Mistakes
- Assuming users think like testers
- Ignoring usability due to time pressure
- Focusing only on functionality
11. Interview-Ready Answers
Short answer:
Usability testing evaluates how easy and intuitive a software application is for users.
Detailed answer:
Usability testing ensures that users can complete tasks easily, efficiently, and with minimal confusion, improving overall user experience.
12. Key Takeaway
Usability Testing ensures the software is not just usable, but enjoyable and efficient.