Table 1

Cognitive interview respondent debriefing
Subject Question
Directions How would you make the directions more clear/easy to understand?
What does "in the past month" mean to you?
When you see "the past month", 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 do not 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?

Franciosi et al.

Franciosi et al. BMC Gastroenterology 2012 12:135   doi:10.1186/1471-230X-12-135

Open Data