Website Usability in Context: An Activity Theory Based Usability Testing Method

Traditional laboratory based usability testing methodologies are plagued with shortcomings which affect the results of the testing process and their validity. The results of a preliminary study of this type of usability testing with 34 users indicate two categories of key shortcomings. A new summative website usability testing methodology based on the notion of distributed usability and Activity Theory is presented as a means of overcoming these problems. This paper describes the theoretical foundations and development of the methodology which is currently being evaluated and refined.