The Usability Engineering Lifecycle: A Practitioner's Handbook for User Interface Design
By Deborah J. Mayhew

Part III: Installation

Part III: Installation
Chapter 17: User Feedback
Chapter 17: User Feedback
Purpose
As you can see from looking at the Usability Engineering Lifecycle chart, the User Feedback task is conducted after a new product is installed. What could be the purpose of soliciting usability-related feedback from users at this point? There are at least four good reasons:
? To provide input to the maintenance and enhancements phase of the product lifecycle (see, e.g., Malinowski and Nakakoji 1995)
? To provide input into future releases of the product
? To provide input into the design and development of related products that will be used by the same or a similar set of users
? To learn general lessons about usability that might be applicable on any future development effort within the organization
Thus, when your project is developing a new release of a product, or a product closely related to an installed product, you could use these techniques in place of or to complement the Contextual Task Analysis techniques described in Chapter 3 .
Recall also that the usability evaluation tasks carried out in each of the three levels of design in the Design/Development/Testing phase evaluated a specific level of design and expanded the general scope of evaluation across the total product functionality. It is rarely cost effective (except, perhaps with very simple products such as Web sites) to exhaustively evaluate the complete Detailed User Interface Design in all the functionality at all...
Copyright Morgan Kaufmann Publishers, Inc. 1999 under license agreement with Books24x7
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