User Studies Methods Feb 01, 2007 Case Studies Chameleon Case Study: Chameleon Design proposal introducing new user interface metaphor Case Study: Chameleon Iterative Design Paper prototype -> Visual Basic -> Implement Increasingly refined prototypes Evaluation of each prototype
Feb 01, 2007
Problem 2: Downloaded files
are also shared files
Problem 3: Kazaa recursively
Problem 4: Can select a folder,
but what files are inside?
Error-prone approach. Also risk
with recursive folders.
Note: Gives one-time warning
if you select an entire hard drive
System ImagePutting Them Together
1) Pre-evaluation training
0 - don’t agree that this is a usability problem
1 - cosmetic problem
2 - minor usability problem
3 - major usability problem; important to fix
4 - usability catastrophe; imperative to fix
1. [H1-4 Consistency] [Severity 3][Fix 0]
The interface used the string "Save" on the first screen for saving the user's file, but used the string "Write file" on the second screen. Users may be confused by this different terminology for the same function.