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Table 3 Indicated problems during the pre-test of version 2 and revisions for version 3

From: Assessing the application of non-pharmacological interventions for people with dementia in German nursing homes: feasibility and content validity of the dementia care questionnaire (DemCare-Q)

Version 2 question no. Problem with Indicated problem Source Revision for version 3
1. Response Comprehension (terms are too vague) CI, FBQ Deleted
  Response behavior I-NR  
2. Response Comprehension (unclear term) CI Deleted
Response Response behavior I-NR  
3./4. Response Comprehension (unclear term) CI Deleted
Response Information retrieval (missing knowledge) CI  
Response Response behavior I-NR  
5. Question Information retrieval (recall failure) CI Explanation added in the manual
Question Comprehension (unclear term) FBQ  
Response Response behavior I-NR  
8. Question Comprehension (wording) CI Reworded
9. Question Comprehension (wording) CI Reworded
11. Response Response behavior I-NR Retained
14. Response Information retrieval (missing knowledge) CI Development of categories
15. Question Comprehension (unclear term) CI, FBQ Explanation added in the manual
17. Question Comprehension (missing reference period) CI Addition of a reference period
18. Question Comprehension (unclear terms, items overlap) CI Explanation added in the manual
19. Question Information retrieval (missing knowledge) CI Retained
20. Question Comprehension (unclear term) CI,FBQ Explanation added in the manual
Question Information retrieval (recall failure) CI Reduction of reference period
  1. CI-Cognitive interviews FBQ-Feedback questionnaire I-NR Item non-response.