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Using The I3 Model To Understand Overeating, Kenneth Herbst, Mark Peterson, Suman Saha

Journal of Applied Marketing Theory

This paper uses a conceptual framework, the I³ Model (pronounced the ‘I-Cubed Model’), for understanding the influence of external and internal factors on eating behavior. According to the I³ Model (Instigation, Impellance and Inhibition), three processes can explain how overeating can occur. This paper provides support for the I³ Model through a field experiment and two laboratory experiments. The I³ Model sheds light on the nature of overeating when a perfect storm arises in which instigation and impellance are strong and inhibition is weak. The identification of this perfect-storm condition suggests that …