In addition, critique and comment was sought on the usefulness, appropriateness and clarity of items, item construction and readability, and whether items were comprehensive in their coverage of the issues.
After a comprehensive item selection procedure focusing on content, redundancy, item clarity and item difficulty a list of 44 fatigue items was generated.
To address issues of reliability we will conduct cognitive interviews with patients to improve the clarity of items and consistency of item interpretation.
With respect to clarity of items, there was an I-CVI of 0.66 on two items, an I-CVI of 0.83 on eight items, and an I-CVI of 1.00 on 13 items.
These interns were asked to comment on the clarity of items on the questionnaire.
The objective of the second phase of development of the DNT was to address the clarity of items for patients with diabetes.
Participants were instructed to provide feedback on questions lacking clarity and items that could be viewed as potentially difficult to answer.
Study participants reported that SQUIRE was useful in planning a healthcare improvement project, but not as helpful during writing because of redundancies, uncertainty about what was important to include and lack of clarity in items.
The validity of each questionnaire's content (clarity of items, completeness) was pre-tested with 10 cancer patients visiting an oncology clinic in a regional hospital in the province of Quebec, and with 10 health professionals from two local teams in the same region.
In this validation study the RADAR feasibility and acceptability questionnaire, developed by the research team for Steps 3 and 4 (Additional file 2), was used to collect data on the nursing staff's perceptions of several aspects of RADAR (e.g., ease of use, clarity of items, training required).
