Does prototype format influence stakeholder design input?

DS 87-4 Proceedings of the 21st International Conference on Engineering Design (ICED 17) Vol 4: Design Methods and Tools, Vancouver, Canada, 21-25.08.2017

Year: 2017
Editor: Anja Maier, Stanko Škec, Harrison Kim, Michael Kokkolaras, Josef Oehmen, Georges Fadel, Filippo Salustri, Mike Van der Loos
Author: Deininger, Michael; Daly, Shanna; Sienko, Kathleen; Lee, Jennifer; Obed, Samuel; Effah Kaufmann, Elsie
Series: ICED
Institution: 1: University of Michigan, United States of America; 2: University of Ghana, Ghana
Section: Design Methods and Tools
Page(s): 553-562
ISBN: 978-1-904670-92-6
ISSN: 2220-4342


This research investigates how prototype format, here defined as the physical nature of a prototype, influences feedback from stakeholders in the process of designing a medical device. We presented medical practitioners with a variety of prototypes, including a sketch, a cardboard mock-up, a CAD model and a 3D printed model, of the same idea for an assistive, contraceptive implant insertion device and asked for their feedback. We found that the prototype format influenced the distribution within the answer categories. We also found that the type of question influenced the distribution within the answer categories.

Keywords: Design practice, New product development, User centred design, Prototypes, Stakeholders

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