Is user involvement harmful or useful in the early stages of product development?

  • Authors:
  • Sari Kujala;Martti Mäntylä

  • Affiliations:
  • Helsinki University of Technology, HUT FINLAND;Helsinki University of Technology, HUT FINLAND

  • Venue:
  • CHI '00 Extended Abstracts on Human Factors in Computing Systems
  • Year:
  • 2000

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Abstract

Not much empirical evidence has been presented to evaluate the usefulness of user studies or the optimal amount of resources to allocate to them. This study is an initial step to understand the costs and benefits of user studies in the early stages of product development. In a case study a psychologist, who was not a designer, performed a user study and developed design propositions. The results were compared to a baseline design process with usability tests. The results show that the user study was useful although the investment of 46 person hours was modest. The design propositions based on the user study results made the product more usable and desirable to the users.