From The Usability Engineering Lifecycle: A Practitioner's Handbook for User Interface Design
Chapter 9: Conceptual Model Mock-ups
Purpose
There are several reasons to build Conceptual Model Mock-ups:
? The main point of Conceptual Model Mock-ups is to support formal evaluation of the Conceptual Model Design(s) generated in the previous task, in the Iterative Conceptual Model Evaluation task that comes next . Evaluation at this earliest stage of design means that you will not invest a lot of time designing without knowing whether you are on the right track.
? Comparing alternative Conceptual Model Designs in the Iterative Conceptual Model Evaluation task that comes next allows you to select the best model to move forward with and gives you more insight into the design issues represented in the alternative models that could not be resolved based on Requirements Analysis data alone.
? Recruiting users to evaluate very early, very high-level design ideas (in the Iterative Conceptual Model Evaluation task) helps to continue the ongoing, highly iterative process of understanding and addressing user requirements. An ongoing give-and-take between designers and users is simply a more effective approach than a monolithic approach in which Requirements Analysis is carried out exhaustively, followed by complete detailed user interface design.
Evaluation at this earliest stage of design helps you determine if you are on the right track before you invest a lot of time in design
Description
You are building the mock-ups to support evaluation of the general Conceptual Model Design rules you generated in the previous task. Thus, the Conceptual Model Mock-ups...
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Topics of Interest

Chapter 10: Iterative Conceptual Model Evaluation Purpose The purpose of the Iterative Conceptual Model Evaluation task is to get some quick and early feedback on the usability of the Conceptual Model...

Chapter 12: Screen Design Standards Prototyping Purpose There are several reasons to build Screen Design Standards Prototypes at this point in the Usability Engineering Lifecycle: ? The main point of...

Part II: Design/Testing/Development Chapter 7: Work Reengineering Chapter 8: Conceptual Model Design Chapter 9: Conceptual Model Mock-ups Chapter 10: Iterative Conceptual Model Evaluation Chapter...

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...

Chapter 16: Iterative Detailed User Interface Design Evaluation Purpose The purpose of the Iterative Detailed User Interface Design Evaluation task is to further refine the product Detailed User...