| CptS 443/580— Human-Computer Interaction |
| Released: | 15 Jan. 2007 |
| Covers: | Lecture #7 |
| Readings: | Preece 7.6 - 7.8; UAN |
| Last modified: | 15 Jan. 2007 |
As you study this week's material, please ponder the following discussion questions. Post your responses in the appropriate threads in WebCT.
What are the advantages and disadvantages of using scenarios, use cases, and essential use cases?
Given that scenarios, use cases, and essential use cases are capable of describing tasks, why is it necessary to describe tasks using state-transition networks and user action notation?
What are the advantages and disadvantages of using state-transition networks versus user action notation?
In what situations would you use a hierarchical task analysis, as opposed to a scenario or use case?
Use the user action notation to describe the task of browsing to www.rei.com in Internet Explorer.
Use the user action notation to describe the task of deleting a file on the desktop by dragging it to the recycle bin.