Physiological Data Acquisition for Deeper Insights into Prototyping

DS 81: Proceedings of NordDesign 2014, Espoo, Finland 27-29th August 2014

Year: 2014
Editor: Miko Laakso, Kalevi Ekman
Author: Kriesi, Carlo; Steinert, Martin; Meboldt, Mirko; Balters, Stephanie
Series: NordDESIGN
Institution: 1: Norwegian University of Science and Technology, Norway; 2: ETH Zurich, Switzerland
Section: Design theory and practices
Page(s): 580-589
ISBN: 978-1-904670-58-2


Based on the work of Steven P. Dow & Scott R. Klemmer, "The efficacy of prototyping under time constraints ”, a confirmatory experiment was conducted and two additional questions were investigated in a hypotheses generating, explorative way: How does iterating ideas affect the stress level of the participants while explaining their final design? And; Does the workspace setup influence the activity level of the participant while designing a prototype? The answers were found with the help of physiological data acquisition (electrocardiogram and acceleration). Our results confirm the previously conducted study. The data also suggests that the stress level during the interview is affected: Participants who were able to test their designs show in average a decreasing stress level, compared to participants who were not allowed to test where an increase thereof can be observed. Furthermore, the results show that the workspace setup influences the activity level of the participant.

Keywords: Prototyping, iteration, physiological data, stress, bias towards action


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