Applying tangible augmented reality in usability evaluation
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Feedback from users is an invaluable part of the product design process. Prototypes of varying levels of detail are frequently used to solicit feedback for attributes related to the physical and user experience aspects of a product. Using Tangible Augmented Reality Technologies to achieve natural interactions have significance in product design. TAR is one of Augmented Reality related technologies which enable the superposition of physical model in real environment and digital model on the screen many have possibility to solve this kind of problems. This study is to investigate whether usability input from AR/TAR technologies representations of a product with physical interface elements is similar to input based on a product/prototype. If AR/TAR technology inputs are found to be similar from the real product, it can be an evidence to indicate that AR/TAR can be a useful tool for collecting highly accurate inputs on a product concept focusing on physical controls. User testing was conducted with 20 participants. And, the conclusion shows the two AR methods are statistically significantly different with real product, but Tangible AR does not have a statistically significant difference with real product. The results of the data analysis strongly support that Tangible AR is doing effectively simulating the real product prototype in the user study.