Improving Surveys by Sharing Knowledge
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Abstract: This report documents results of cognitive testing of a module of questions related to hypertension and pre-hypertension proposed for the National Health and Nutrition Examination Survey. Cognitive interviews were conducted by four members of the Questionnaire Design Research Laboratory (QDRL) staff on July 10th and July 14th, 2006. A semi-scripted, retrospective probing protocol was used for this study, meaning that interviewers initially administered the questionnaire to participants in its entirety. Following that, interviewers asked follow-up probe questions to explore participant interpretations of the questions and details about the meaning of their responses. The interviewing team discussed general probing strategies prior to data collection, but interviewers retained discretion regarding which specific probes to use and how much probing to do, based on particulars of each interview.
Beatty, P., 2006, Cognitive Interview Evaluation of the BPQ questionnaire for 2007-2008, Hyattsville, MD: National Center for Health Statistics. https://wwwn.cdc.gov/QBank/Report.aspx?1015