Design and determine validity and reliability of a questionnaire to identify the factors affecting consumer's preferences regarding to use of packed bread compared to non-packed bread using the reasoned action theory
Author(s):
Article Type:
Research/Original Article (بدون رتبه معتبر)
Abstract:
Introduction and
According to the reasoned action theory, attitudes and subjective norms are factors that influence the individual's intention to do one's behavior and ultimately to do that behavior. Since consumers prefer packed bread to non-packed bread, we aimed to design a valid questionnaire on the factors affecting the use of packed bread compared to non-packed using the reasoned action theory.
Purpose
Bread is of particular importance as a supplier of portions of calories, proteins, vitamins, and minerals needed by the body.According to the reasoned action theory, attitudes and subjective norms are factors that influence the individual's intention to do one's behavior and ultimately to do that behavior. Since consumers prefer packed bread to non-packed bread, we aimed to design a valid questionnaire on the factors affecting the use of packed bread compared to non-packed using the reasoned action theory.
Methods
This was a cross-sectional, descriptive, analytical study. We designed a questionnaire according to the theory of reasoned action and based on three sessions of focused group discussion and interviews with nutrition specialists. Content and face validity of the scale was established by a panel of 11 experts. To confirm the reliability of the scale, Cronbachs alpha coefficient was applied.Results
The first draft of the questionnaire contained 51 items. After determining the validity and reliability of the items, 44 items remained, 17 of which were on attitude, 10 on subjective norms, 9 on behavioral intention, and 8 on nutritional behavior. For the final questionnaire, the average content validity index was calculated to be 0.90 and Cronbachs Alpha coefficient was 0.83.Conclusion
The results suggested that the developed questionnaire is a valid and reliable tool, and it can be used to identify the factors affecting consumer's preferences regarding the use of packed bread compared to non-packed bread using the reasoned action theory.Keywords:
Language:
Persian
Published:
Journal of Health Research in Community, Volume:3 Issue: 4, 2018
Page:
41
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