Part 1: Discussion Questions

• Can UI evaluation be performed before its implementation? If so, how would you modify the UID process in Fig. 4.1 of the DTUI book? If not, why not?
• What are the similarlties and differences between UCD and PD? Why are they useful to UID?
• Compare the relative advantages and disadvantages between expert review and usability testing.

Part 2: UI Design and Evaluation

Select an existing piece of software, an application, a smart device, or anything with computer/software embedded in it, Now perform the following:

• Design a usability testing strategy or a survey to measure the usability of this system
• 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.
• If a new and improved version is to be built. How would you demonstrate the improved usability?

Due Date: