Cognitive Interviewing to Assess a New Measure of Attitudes and Beliefs Held by Candidates for Bariatric Surgery

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Title: Cognitive Interviewing to Assess a New Measure of Attitudes and Beliefs Held by Candidates for Bariatric Surgery
Author: Sharma, Rachita
Abstract: Increases in the obese population of the United States have subsequently led to increases in the numbers of bariatric surgeries pursued . However , despite increases in the number of surgeries performed , the success rate of the surgeries still remains acutely tied in with adherence to lifestyle modifications post -surgery , which are products of individuated attitudes and beliefs . Identification of these variables pre -surgery may enable health -care professionals to brainstorm preemptive intervention techniques aimed at providing support to bariatric patients post -surgery . However , no measures to identify such attitudes and beliefs exist . This qualitative study utilized Cognitive Interviewing to assess sources of response error in two new measures designed to identify attitudes and beliefs of candidates for bariatric surgery . Our hypothesis was that the newly created measures would be easy to understand and answer . METHODS : Twenty patients attending a bariatric clinic were offered $20 gift cards to answer questions on The Eating Behaviors Self -Efficacy Measure and The Perceived Barriers to Exercise Measure . A standardized instruction script asking participants to “thinkaloud” while answering questions was read before each interview . Interviews were audio recorded and transcribed to assess similarities in sources of response error . RESULTS : The majority of participants (90 % ) struggled with understanding /executing instructions of the measures . In addition , several specific items were identified as sources of confusion . Recommendations to reduce sources of response error were made to the test -makers . CONCLUSION : Although the hypothesis was not supported , future adaptation of recommendations could decrease most sources of response error . Additional Cognitive Interviewing after instrument refinement was recommended . After revision , The Eating Behavior Efficacy Measure and The Perceived Barriers to Exercise Measure should receive pilot testing in a longitudinal investigation of the scales’ validity and reliability for clinical use .
URI: http : / /hdl .handle .net /2152 .5 /821
Date: 2010-11-02

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Cognitive Interviewing to Assess a New Measure of Attitudes and Beliefs Held by Candidates for Bariatric Surgery. Graduate School of Biomedical Sciences. Available electronically from http : / /hdl .handle .net /2152 .5 /821 .

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