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636 B
636 B
| title | tags | |
|---|---|---|
| participant-observation |
|
1 Techniques
- think-aloud
- co-operative evaulation
- paper and pencil protocol
- audio recording
- video recording
- computer logging
- user notebooks
- post-talk walkthroughs
2 Disadvantages
- observation bias exists
- coding schemes
- laborioua and difficult
- experts needed, training needed
- often a mix of multiple techniques
- automatic protocol analysis tools available (esp. in usability labs)