Image Usages in Prolonged Exposure Continuous Sensing System (PECSS) APP
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Chen, Chuyi
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Abstract
The Prolonged Exposure Continuous Sensing System (PECSS) mobile application was designed to streamline clinical therapy and patient practice of Prolonged Exposure Therapy (PE). As part of PE Therapy, In ViVo homework asks patients to do physical activities which allow patients to gradually approach and face their traumatic memory. Currently, there were logistic constraints in the PECSS system like being unable to use devices during In ViVo homework (such as sitting in a sauna room). Research has been done and shown that image usage (or picture sharing) can be an efficient way to overcome these constraints. This study implements a picture-token feature used in the In ViVo session of the PECSS mobile APP. The goal is to see if patients can overcome the logistic constraints of different In ViVo scenarios and easily review the accomplishments of the In ViVo homework while, on the other hand, preserving user privacy. The study has 3 rounds of user testing and includes 7 participants, who are the proxy patients assigned with 3 different In ViVo homework. We ask these participants to generate and upload images with our picture-token feature, and also filled out survey questions regarding the usability and utility of the picture-token feature. The average SUS score of participants is 68.3 (N=6), which shows that the feature is relatively easy to use but still needs improvements. Besides, through semi-structured interviews, we find a need to simplify the image uploading process, a need for better UI/UX and aesthetics, and some technical difficulties. This study is aimed to provide and inspire new techniques that can be used in PE for future studies.
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Undergraduate Research Option Thesis