Augmented Reality (AR) training is a cost-effective and safe alternative to traditional instructional methods. However, training novices in basic mid-air AR interactions remains challenging. To address this, we aimed to: (a) develop a robust metric to evaluate user performance across different AR interaction techniques and develop adaptation models to predict additional training requirements; (b) evaluate the adaptation models using a neuroergonomics approach. We conduct a two-phase study during which, novice participants perform simple AR interactions: poking and raycasting. In Phase-I, twenty-seven participants’ data is used to identify a bi-variate performance metric based on median completion ime and consistency. Unsupervised models are trained using this metric to classify participants as low/high performers. In Phase-II, we evaluate the models on twenty-one new participants and analyze the differences in performance, neural activity and heart-rate variability between low/high performers. Our study showcases the effectiveness of our models and further discusses the potential of integrating neuroergonomics for advanced AR-based training applications.

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Journal: International Journal of Human–Computer Interaction. 2023 Aug 31:1-6

Keywords: adaptive training, AH5, augmented reality, neurophysiological analysis,

Applications: HRV,

CamNtech Reference: AH23029

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