Part 1: Discussion Questions

1. Discuss the similarities and differences between UCD and PD. Choose two I.S. (interaction styles), and discuss how UCD and/or PD can be used in designing/implementing UI in each of these individual I.S. Please include sufficient details and/or examples.
2. Compare the relative advantages and disadvantages between expert review and usability testing. Also, compare expert review of usability to software inspection; and compare usability testing to general software testing. In addition, compare the usability metrics that can be used for/during these activities and the data required to measure usability using such metrics.

Part 2: UI Design and Evaluation

You may choose to work with the system you selected for hw#1 before, or pick a different system. Now perform the following for this system:

1. Design a usability testing strategy to test/ensure the usability of this system.
2. Define your usability metrics.
3. Determine what data to collect and calculate the system usability based on these data. You can make up some sample data to illustrate your approach.
4. If you are asked to redesign the system, what would be the different design methods (UCD/PD/etc.) and decisions (IS choice etc.)? Briefly justify yourself.

Due Date: