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Don't Leave Me Alone: Retrospective Think Aloud supported by Real-time Monitoring of Participant's Physiology

Liapis, Alexandros ; Katsanos, Christos ; Xenos, Michalis Xenos, Michalis (pacrepositoryorg)

arXiv.org, Feb 12, 2018 [Peer Reviewed Journal]

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  • Title:
    Don't Leave Me Alone: Retrospective Think Aloud supported by Real-time Monitoring of Participant's Physiology
  • Author: Liapis, Alexandros ; Katsanos, Christos ; Xenos, Michalis
  • Xenos, Michalis (pacrepositoryorg)
  • Subjects: Physiology ; Signal Monitoring ; Ratings ; Arousal ; Usability ; Cadastral Mapping ; Applications Programs ; Real Time ; Skin Temperature ; Resistance ; Physiology ; Blood Volume ; Human-Computer Interaction ; Computers and Society
  • Is Part Of: arXiv.org, Feb 12, 2018
  • Description: Think aloud protocols are widely applied in user experience studies. In this paper, the effect of two different applications of the Retrospective Think Aloud (RTA) protocol on the number of user-reported usability issues is examined. To this end, 30 users were asked to use the National Cadastre and Mapping Agency web application and complete a set of tasks, such as measuring the land area of a square in their hometown. The order of tasks was randomized per participant. Next, participants were involved in RTA sessions. Each participant was involved in two different RTA modes: (a) the strict guidance, in which the facilitator stayed in the background and prompted participants to keep thinking aloud based on his judgement and experience, and (b) the physiology-supported interventions, in which the facilitator intervened based on real-time monitoring of user's physiological signals. During each session, three participant's physiological signals were recorded: skin conductance, skin temperature...
  • Language: English
  • Identifier: DOI: 10.1007/978-3-319-91238-7_10

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