Definition
The assessment of dietary intake and, in particular, dietary restriction has been fraught with definitional confusion, leading to unnecessary misunderstandings and controversies within the literature. Without careful definitional clarity, a practitioner may obtain an inaccurate assessment of the nature of an individual’s eating concerns. Therefore, when assessing dietary intake, particularly restrictive eating behavior, it is important to understand and be able to differentiate dietary restriction from related constructs, such as dietary restraint and dieting.
The terms dietary restriction, dietary restraint, and dieting are often used interchangeably, however they refer to notably different phenomena. Dietary restriction(or restrictive eating) can be understood as objectively reducing caloric intake (e.g., reducing portion size, skipping meals, fasting) in a manner that would be expected to lead to significant caloric or nutritional deficits or impairment in functioning...
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References and Further Reading
Haynos, A. F., Field, A. E., Wilfley, D. E., & Tanofsky-Kraff, M. (2015). A novel classification paradigm for understanding the positive and negative outcomes associated with dieting. International Journal of Eating Disorders, 48, 362–366.
Lowe, M. R., & Levine, A. S. (2005). Eating motives and the controversy over dieting: Eating less than needed versus less than wanted. Obesity Research, 13, 797–806.
Peterson, C. B. (2010). Assessment of eating disorder treatment efficacy. In C. M. Grilo & J. E. Mitchell (Eds.), The treatment of eating disorders: A clinical handbook (pp. 524–534). New York: The Guilford Press.
Stice, E., Fisher, M., & Lowe, M. R. (2004). Are dietary restraint scales valid measures of acute dietary restriction? Unobtrusive observational data suggest not. Psychological Assessment, 16, 51–59.
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Haynos, A.F. (2017). Assessment of Dietary Intake/Dietary Restriction. In: Wade, T. (eds) Encyclopedia of Feeding and Eating Disorders. Springer, Singapore. https://doi.org/10.1007/978-981-287-104-6_158
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DOI: https://doi.org/10.1007/978-981-287-104-6_158
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