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Conference paper Open Access

How to improve the interaction design of NFC payment terminals

Poornigha Santhana Kumar; Michael Bechinie; Manfred Tscheligi

Near field communication (NFC) payments also popularly known as contactless payments are increasingly used in retails shops like supermarkets and cafes nowadays. User studies on NFC payments show that NFC payments fail to provide users with the appropriate user experience. In this paper, we aimed to redesign the existing NFC payment experience design by altering 5 factors namely the audio feedback, the visual feedback, the haptic feedback, the screen design of the payment terminal and the NFC component. The results show that altering the aforementioned factors increase the usability of NFC payments and provides users with privacy and security-enhanced experience. We also framed 5 guidelines based on our evaluation results which will aid designers while designing or redesigning any system. We also believe that our research methods and guidelines contribute to the researches in the HCI community.

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