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154309 https://hdl.handle.net/2286/R.I.38371 http://rightsstatements.org/vocab/InC/1.0/ All Rights Reserved 2016 vii, 97 pages : illustrations Masters Thesis Academic theses Text eng Bryant, Sarah Buman, Matthew P Chisum, Jack W Hekler, Eric Arizona State University Partial requirement for: M.S., Arizona State University, 2016 Includes bibliographical references (pages 53-64) Field of study: Excercise and wellness This study aimed to identify the emotional/affective sources of discrepancies between physical activity behavior and a widely used self-perception measure of physical activity motivation. Overweight women (body mass index [BMI] ≥ 25 kg/m2, 18-64 years of age; N=37) were recruited from Arizona State University community through flyers and online newsletters. Participants wore a SenseWear accelerometer for 6 nights and 7 days and followed their normal patterns of daily living. Participants then completed a single lab visit and verbally responded to questions from the Behavorial Regulation Exercise Questionnaire (BREQ-2) while being video and audio recorded. Captured emotional responses were evaluated with facial recognition software (Noldus FaceReader). Discrepancies between BREQ-2 responses and physical activity behavior were associated with happiness and sadness emotional responses extracted from the facial recognition software using regression-based analyses. Results indicated an association between monitored physical activities and captured emotional response - specifically sadness - and that as intensity in physical activity increases, motivation increases. Associations between happiness/sadness and physical activity were not observed for all intensities of physical activity. A marginally significant association was observed for amotivation and sedentary, light-intensity physical activity, and moderate-vigorous physical activity in the sample. This study demonstrates a proof-of-concept for the integration of an empirical evaluation of happiness and sadness emotional states into the relationship between physical activity motivation and behavior. Behavioral psychology Behavioral Sciences Public Health Behavior Emotion Motivation Physical Activity Women Motivation (Psychology) Overweight women--Psychology. Overweight women Exercise--Psychological aspects. Emotional response to an exercise questionnaire in overweight women