Shoplifters at supermarkets often avoid scanning all items at self-checkout, justifying their actions and taking advantage of the ease of the process. This project aims to change students' non-scanning behavior that leads to theft, using the Theory of Planned Behavior to shift their perceptions of outcomes, norms, and control. It redesigned the checkout by environmentally restructuring the physical context, creating a circular checkout with lowered screens and barcode scanners to improve transparency and remove barriers. The prototype was tested with a full-scale mock-up and reenactment, demonstrating promising shifts in behavioral intentions across key determinants and indicating potential for behavior change.

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The project taught me how to apply behavioral change theories in design and empirically evaluate the design using a mock-up.