1. Chapter 23 Deciding how to collect data

2. Introduction: Preparing to Collect Evaluation Data
Timing and Logging Actions
Automatic Logging of Keystrokes and Mouse Clicks
Specialist Logging Software for Usability Evaluations
Choosing a Logging Product
UIDE Chapter 23

3. Think-Aloud and Offering Help
Using Cognitive Walkthrough Questions
“Is there anything there that tells you what to do next?”
“Is there a choice on the screen that lines up with what you want to do? If so, which one?”
“Now that you’ve tried ti, has it done what you wanted it to do?”
UIDE Chapter 23

4. Taking Notes When Observing Users
UIDE Chapter 23

5. Conducting Post-Session Discussions
Retrospective protocol
Post-session interview / debrief
UIDE Chapter 23

6. Questionnaires Advantages Disadvantages Can’t forget to ask a question
All participants see the same questions
Ability to collect quantitative data
Disadvantages
Difficult to design
Must predict topics the users will need
Closed questions don’t give reasons why the users answered the way that they have.
UIDE Chapter 23

7. Using Technologies to Help with Recording
Video and Audio Recording
Eye-Tracking Equipment
Practitioner’s Choice of Technology
What to Do If a Participant Does Not Agree to Be Recorded
The Global Warming Choices for Data Collection
UIDE Chapter 23