1. Chapter 27 Variations and more complex evaluations

2. A Comparison of User Observation and Heuristic Inspection
Observe, Listen, Compare, Measure: The Elements of Evaluation
Combining the Elements for Evaluation
UIDE Chapter 27

3. UIDE Chapter 27

4. Varying Other Aspects of the Evaluation
Variations of User Observations
Remote Moderated Testing
Performance Measurement Evaluations
UIDE Chapter 27

5. Obtaining Opinions and Ideas
Focus Groups
Card Sorting
Evaluations without People
Accessibility Checkers and HTML Validators
Usability Checkers
Hybrid Methods
UIDE Chapter 27

6. Different Purposes of Evaluations
Exploratory Evaluations
Validation Evaluation
Assessment Evaluation
Comparison Evaluation
UIDE Chapter 27