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User Experience of Alexa, Siri and Google Assistant when controlling music - comparison of four questionnaires

Benutzererfahrung mit Alexa, Siri und Google Assistant bei der Steuerung von Musik - Vergleich von vier Fragebögen
: Brüggemeier, Birgit; Breiter, Michael; Kurz, Miriam; Schiwy, Johanna

Preprint urn:nbn:de:0011-n-5932565 (283 KByte PDF)
MD5 Fingerprint: dee5b0c8267145e24321b062987dbf0c
Erstellt am: 6.10.2020

Stephanidis, C.:
HCI International 2020 - Late Breaking Papers. User Experience Design and Case Studies. Proceedings : 22nd HCI International Conference, HCII 2020, Copenhagen, Denmark, July 19-24, 2020, held virtually
Cham: Springer Nature, 2020 (Lecture Notes in Computer Science 12423)
ISBN: 978-3-030-60113-3 (Print)
ISBN: 978-3-030-60114-0 (Online)
International Conference on Human-Computer Interaction (HCI International) <22, 2020, Online>
Bundesministerium fur Wirtschaft und Energie BMWi (Deutschland)
Konferenzbeitrag, Elektronische Publikation
Fraunhofer IIS ()
user experience; Voice User Interfaces; measuring; SUS; SASSI; SUISQ; AttrakDiff; validity

We evaluate user experience (UX) when users play and control music with three smart speakers: Amazons Alexa Echo, Google Home and Apple's Siri on a HomePod. For measuring UX we use five established UX and usability metrics (AttrakDiff, SASSI, SUISQ-R, SUS). We investigated the sensitivity of these five questionnaires in two ways: firstly we compared the UX reported for each of the speakers, secondly we compared the UX of completing easy single tasks and more difficult multi tasks with these speakers. We find that the investigated questionnaires are sufficiently sensitive to show significant differences in UX for these easy and difficult tasks. In addition, we find some significant UX differences between the tested speakers. Specifically, all tested questionnaires, except the SUS, show a significant difference in UX between Siri and Alexa, with Siri being perceived as more user friendly for controlling music. We discuss implications of our work for researchers and practitioners.