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Advanced evaluation (Motivation (Want to determine (What happened / what…
Advanced evaluation
Motivation
How to measure performance of large numbers of people from remote settings using large datasets
Want to determine
What happened / what did people do?
What does it mean?
What does it tell us about people?
Community imaging: understanding people through their use of technology
Ways to track
Smartphones
Online behaviour
Human computation and crowdsourcing
Patters of user behaviour emerge
Diagram 21
Raw amount -> Percentage -> Normalised amount (between 0-1)
Google trends help us match patterns
Human computation and crowdsourcing
Differences between human + computer
Reliable memory
Understands context
Reliable calculations
Fast calculations
Sensory translation
Can do research
Offer decision-support to humans, not answers
End user -> pose arbitrary question
2a. Crowd: Collect potential solutions
2b. Crowd: Collect criteria
Crowd: collect tradeoffs
Machine learning classier; decision tree algorithms
Adjust preferences and provide top solutions
How to evaluate
Is the solution "good"
Is a criterion "good"
Is the decision-support system "good"
Advanced research
Helps us reflect on
People
Behaviours
Patterns
Understand existing technologies + developing new ones