Boundary Model: Herman and Polivy (1984)
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• In an attempt to explain why dieting might lead to overeating, Herman and ...
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  1. 1. Boundary Model: Herman and Polivy (1984) Ao1: • In an attempt to explain why dieting might lead to overeating, Herman and Polivy (1984) developed the boundary model • According to this model, hunger keeps intake of food above a certain minimum and satiety works to keep intake below some maximum level • Between these two levels, psychology has the greatest impact on food consumption • Dieters tend to have a large range between hunger and satiety levels as it takes them longer to feel hungry and more food to satisfy them • In addition, restrained eaters have a self-imposed desired intake • Once they have gone over this boundary they continue to eat until they reach satiety, i.e. beyond the maximum level imposed as part of the diet. AO2: Herman and Mack (1975) • Gave dieters and non-dieters a high calorie or low calorie preload • Found that non-dieters showed compensatory regulatory behaviour… They ate less during the taste test after having the high calorie preload • Found that dieters ate more in the taste test after having the high calorie preload AO3: Practical applications Dieters should not attempt to restrain their eating or place boundaries on their food intake! This only leads to overeating

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