Chapter 5 - Product Usability

In this chapter consideration is given to external market changes and the consequent need for improved software products, which have given a new impetus to the search for integrating human factors during product development. Several problems arise in a commercial environment before meeting general acceptance in introducing different software development methods. These are mainly related to a well rooted company culture. Firm steps have been taken to increase awareness of the importance of these issues, thus creating the environment for setting up a human factors laboratory. The method of usability evaluation, its applicability and potential usefulness within an industrial reality is discussed. A laboratory methodology is proposed to gather qualitative and quantitative information on product usability which should, once elaborated, be fed back appropriately to interested parties in the company. Research work on pre- and post- implementation actions, from a supplier's perspective, is also discussed.