It's really hard to design products by focus groups. A lot of times, people don't know what they want until you show it to them.
-- Steve Jobs, 1998
Read the fascinating history of Wearable Computing, told by its father, Steve Mann
Read Steve's chapter !
Angel, Sue Mason, Marley, Robert J. and Stadtlander, Leann (1994): Perceived Exertion Scales: Toward Development of Improved Verbal Anchors. In: Proceedings of the Human Factors and Ergonomics Society 38th Annual Meeting 1994. pp. 626-630.
© All rights reserved Angel et al. and/or Human Factors Society
It's really hard to design products by focus groups. A lot of times, people don't know what they want until you show it to them.
-- Steve Jobs, 1998
Read the fascinating history of Wearable Computing, told by its father, Steve Mann
Read Steve's chapter !