Discussion Question Set #8

As you study this week's material, please ponder the following discussion questions. Post your responses in the appropriate threads in WebCT.

1. Defend or refute the following statement: There's really no need to construct a prototype. It's better just to construct the final product.

2. What is the difference between a low fidelity and a high fidelity prototype? What are the advantages and disadvantages of each?

3. What is the difference between a horizontal and a vertical prototype? Why would you choose a horizontal prototype instead of a vertical prototype, and vice versa?

4. What is a "wizard-of-oz" study, and what guidelines can you offer someone who is charged with the "wizard-of-oz" job?

5. When we flesh out a conceptual model, what are the key questions we need to address?

6. What role can scenarios play in conceptual design?

7. What is the difference between conceptual design and physical design?

8. Defend or refute the following statement: Guidelines and principles are totally useless in the physical design process.

9. Why are mockups so important to participatory design?

10. What are the key differences between PICTIVE and CARD?