Voice assistants’ increasingly nuanced and natural communication bears new opportunities for user experiences and task automation while challenging existing patterns of human-computer interaction. A fragmented research field, as well as constant technological advancements, impede a common apprehension of prevalent design features of voice-based interfaces. As part of this study, 86 papers across domains are systematically identified and analysed to arrive at a common understanding of voice assistants. The review highlights perceptual differences to other human-computer interfaces and points out relevant auditory cues. Key findings regarding those cues’ impact on user perception and behaviour are discussed along with the three design strategies 1) personification, 2) individualization, and 3) contextualization. Avenues for future research are lastly deducted. Our results provide relevant opportunities to researchers and designers alike to advance the design and deployment of voice assistants.
Schmitt, Anuschka; Zierau, Naim; Janson, Andreas; and Leimeister, Jan Marco, "Voice as a Contemporary Frontier of Interaction Design" (2021). ECIS 2021 Research Papers. 143.
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