The Usability Engineering Lifecycle: A Practitioner's Handbook for User Interface Design

By Deborah J. Mayhew

Chapter 13: Iterative Screen Design Standards Evaluation

Chapter 13: Iterative Screen Design Standards Evaluation

Purpose

The purpose of the Iterative Screen Design Standards Evaluation task is to get some quick and early feedback on the usability of the prototypes designed and built in the previous two tasks, which represent both general Screen Design Standards and the detailed design of a subset of product functionality. Valuable objective feedback can be obtained from the formal techniques in Iterative Screen Design Standards Evaluation.

Iterative design and evaluation can be efficiently and effectively conducted at a time when no major investment or commitment in detailed design or code has been made to any particular interface design. Changes are thus simple and easy to make in response to findings. Refining the Screen Design Standards and detailed design of prototyped functionality through Iterative Screen Design Standards Evaluation before either Detailed User Interface Design or development is begun means that costly revisions to completed designs or code are minimized. Spending resources now on usability evaluation saves resources in the long run by minimizing modifications to code during development and after implementation.

Description

Planning and carrying out Iterative Screen Design Standards Evaluation is very similar overall to planning and carrying out Iterative Conceptual Model Evaluation as described in Chapter 10 . There are some important differences however:


	?	The purpose of Iterative Conceptual Model Evaluation is to validate Conceptual Model Design, while the purpose of Iterative Screen Design Standards Evaluation is to validate Screen Design Standards and the detailed design of subsets of...

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The Usability Engineering Lifecycle: A Practitioner's Handbook for User Interface Design

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Chapter 13: Iterative Screen Design Standards Evaluation

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