---
title: "participant-observation"
tags: 
- info203
---

## 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)

## 3 Use Cases
[needfinding](notes/needfinding.md)
[evaluating-designs](notes/evaluating-designs.md)
[requirements-elicitation](notes/requirements-elicitation.md)