Knowledge and belief in nutrition

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Abstract
In a nutrition questionnaire, subjects have been given the options of answering questions with yes, no, or don't know. From these responses it has been possible to calculate the levels of their “correct knowledge,” their “perceived knowledge” (that is the knowledge that each subject believed he had) and the “accuracy of knowledge”. Questions about common nutritional problems were given to physicians, medical students, nurses, and theology students. All groups had a high level of “perceived knowledge,” generally greater than 80% for the questions asked, but the accuracy of the knowledge was alarmingly low. The highest level was in physicians, in whom 79% of the perceived knowledge was accurate, but in theology students only 36% of the perceived knowledge was accurate. Two thirds of the “knowledge” of nutrition held by theology students was therefore false by current scientific standards. These findings have implications for future nutrition education.

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