HCI 541

Winter 2025

Craig Miller

• Home
• Basic Information
• Grades and Policies
• Schedule

Weekly Notes

• Week 1
• Week 2
• Week 3
• Week 4
• Week 5
• Week 6
• Week 7
• Week 8
• Week 9
• Week 10

Assignments

• Assignment 1
• Assignment 2
• Team Project 1
• Team Project 2
• Final Project

Verbal Probing

Verbal probing consists of follow up questions to the think-aloud process. It may provide additional information on the respondent's interpretations and processes.

Considerations

• Developing verbal probes
• When to ask

Categories for developing verbal probles

Adapted from Willis (2005).

• Comprehension/Interpretation: What does the term 'x' mean to you?
• Paraphrasing: Could you explain the question in your own words?
• Confidence judgment: how confident are you have that response?
• Recall: how were you able to remember that...?
• Further explain (Willis "specific probe"): could you explain why you think ...?"
• General: How did you arrive at that answer? How hard/easy was it to answer?

Discussion questions

• Do some probe categories map on to the CASM stages? Which ones?
• Develop probes from each category for these survey examples:
  • Rating question for Citi Online
  • Applying the SUS rating to the task of enrolling a course with campusconnect