Better experimental design for better user testing

Slides from Rob Kerr's collection of anecdotes about testing with human participants.

Transcript

1. Better experimental design for better user testing Rob Kerr
2. www.sxc.hu/photo/1371375
3. www.sxc.hu/photo/1205190
4. www.sxc.hu/photo/1286671
5. www.sxc.hu/photo/1359493
6. www.sxc.hu/photo/1315366
7. Experimenter Bias Researchers have a vested interest in the results of their experiments Hawthorne Effect The act of being observed can changes a person’s behaviour Demand Characteristics Participants may try to conform to or sabotage their understanding of what the experiment is trying to find Attitude Polarization Herd mentality is a powerful force Order Effect The order in which a task is set can influence the subject’s performance
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11. Thank you