21. Why is it important to engage participants with diverse perspectives and abilities in a usability study? Select all that apply.
- To avoid sample bias for selected groups
- To include participants with characteristics outside of the desired characteristics
- To identify a key user group to engage in future usability research studies
- To investigate how people with disabilities interact with the product
22. Imagine you are developing a script for an upcoming usability study. Which of the following should you do in the introduction?
- Remind participants to save their questions until the end
- Assign participants usability tasks
- Ask participants clarifying questions
- Remind participants there are no right or wrong answers
23. Which of the following example script questions explicitly encourages elaboration?
- How many attempts did you take to complete the activity?
- Was the activity easy to complete?
- Can you share why that activity was difficult for you?
