Developing a Method for Assessing Product Inclusivity

Sam Waller, Joy Goodman-Deane, Patrick Langdon, Dan Johnson, P John Clarkson


In order to develop more inclusive products and services, designers need a means of assessing the inclusivity of existing products and new concepts. Following previous research on the development of scales for inclusive design at University of Cambridge, Engineering Design Centre (EDC) [1], this paper presents the latest version of the exclusion audit method. For a specific product interaction, this estimates the proportion of the Great British population who would be excluded from using a product or service, due to the demands the product places on key user capabilities. A critical part of the method involves rating of the level of demand placed by a task on a range of key user capabilities, so the procedure to perform this assessment was operationalised and then its reliability was tested with 31 participants. There was no evidence that participants rated the same demands consistently. The qualitative results from the experiment suggest that the consistency of participants' demand level ratings could be significantly improved if the audit materials and their instructions better guided the participant through the judgement process.

BibTeX citation

  author = "Sam Waller and Joy Goodman-Deane and Pat Langdon and 
Daniel Johnson and P John Clarkson",
  title = "Developing a Method for Assessing Product Inclusivity",
  booktitle = "ICED '09 (International Conference on Engineering Design)",
  year = 2009,
  address = "Stanford, CA, USA",
  month = Aug,
  keywords = "design, inclusive,assessment, methods-evaluation"}
Joy Deane (Goodman)
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