Table 3.

Cognitive interview questions

Directions
How would you make the directions more clear/easy to understand?
What does "in the past 7 days" mean to you?
When you see "the last 7 days", what days did you include?
Items
In your own words, what do you think this question is asking?
What does this question mean to you? What did you think of when answering this question?
Was this question easy to understand? Are there any specific words that are difficult to understand?
How would you change the words to make it more clear?
Was this item hard to answer? If yes, why?
How did you choose your answer?
Domains
In your own words, what do you think this group of questions is asking about?
How do you think these items are related?
Are there any questions that don't belong in this group?
Response Choices
What do you think about the response choices?
How would you make the response choices clearer or easier to understand?
Overall Assessment
Are there things that we forgot to ask about that you think are important?
Overall thoughts/opinions of the questionnaire?
Anything you would change in the questionnaire as a whole?