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Social and Behavioral Sciences Commons

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Full-Text Articles in Social and Behavioral Sciences

Accuracy Of A Bite-Count Based Calorie Estimate Compared To Human Estimates With And Without Calorie Information Available, James Salley May 2013

Accuracy Of A Bite-Count Based Calorie Estimate Compared To Human Estimates With And Without Calorie Information Available, James Salley

All Theses

Obesity is an increasing health problem in the US, associated with such dangerous health risks as heart disease and diabetes. Self-monitoring in the form of calorie counting is a critical aspect of successful weight loss. However, calorie estimations are subject to several perceptual and cognitive biases, and there are limited tools available to assist these estimations. The present study seeks to assess the accuracy of participants' estimations of the calorie content of meals in the presence or absence of calorie information, and to compare their accuracy with calorie estimations based on bite count. Data were analyzed for 87 participants from …


The Bite Detector: A Device For The Behavioral Treatment Of Overweight And Obesity, Jenna Scisco Dec 2009

The Bite Detector: A Device For The Behavioral Treatment Of Overweight And Obesity, Jenna Scisco

All Theses

Overweight and obesity are primary health concerns worldwide and particularly in the United States. Currently, the most effective treatments are behavioral interventions, and a reduction of eating rate is one behavioral method that may help individuals eat less and lose weight. Additionally, adaptive eating behaviors, such as intuitive eating, have been identified as healthy body weight predictors. The purpose of Study 1 was to examine the accuracy of the bite detector, a wrist-worn device designed to detect bites of food. Participants (N = 21) ate a meal in the laboratory, and the sensitivity and positive predictive value (PPV) of the …