On the Usability of Psychophysiological User Research for the Games Industry

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In this presentation from the 2012 Games User Research Summit, I talk about physiological research methods for games and why this matters for examining user experience with physiological measures.

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On the Usability of Psychophysiological User Research for the Games Industry

  1. 1. Physiological User ResearchOn the Usability of Psychophysiological User Research for the Games Industry 3rd Annual Games User Research Summit of the IGDA GUR SIG Lennart Nacke @acagamic
  2. 2. 10 ideas to make physiologicaluser research meaningful for you
  3. 3. Why should you listen to me?
  4. 4. You wrote abook about it, eh? CC by Jason Pratt (Flickr)
  5. 5. Quantitative measures of gameplay experience • Physiological responses • Behaviour metrics • Questionnaires • LoggingDownload from http://phd.acagamic.com
  6. 6. 3 -2-1… Let’s Go!
  7. 7. Physiological Sensors
  8. 8. Quick Hitlist1. GSR 2.00 1.50 1.00 0.50 0.002. EMG3. Cardio (EKG,HR,BVP)4. EEG5. Other brain imaging
  9. 9. 10 ideas to make physiologicaluser research meaningful for you* * Thank you, Steve!
  10. 10. Continuous Recording • Not interrupting play • Don’t break experience • No memory bias • Wearing sensors1
  11. 11. We need a vocabulary Measured Activities • Motor • Skin • Brain2
  12. 12. One aspect at a time • Hypothesis-driven • Based on literature3 CC by Rob Boudon (Flickr)
  13. 13. Physiological success metric • Link between ideal experience and physiological responses • Financial success games • Critical success games4 Street Fighter IV (Capcom) Screenshot
  14. 14. Context Influence • Human body • Real world • Sensitivity5 CC by The World According To Marty (Flickr)
  15. 15. Three activity components • External physical • Internal emotional • Internal cognitive6 CC by familymwr (Flickr)
  16. 16. Noise and confounds • Signal-to-noise ratio • Experimental protocol • Record with more sensors7 CC by Andrew Morrell Photography (Flickr)
  17. 17. Demographics • Skill level • Preferences8 CC by ÐIÐËO (Flickr)
  18. 18. Experiment conditions • Systematic changes • Start with one variable9
  19. 19. Record ALL the data • Better analysis through correlation with metrics • Used mixed methods to get subjective results in addition10 Screenshot by Anders Drachen and Alessandro Canossa
  20. 20. Still with me?Ok, a wordabout UX! CC by istolethetv (Flickr)
  21. 21. User eXperience• Volatile/Feeling• Knowledge/LearningKahneman’s memory of experiencesPeak-end rule End of event more important for encoding of experience CC by Pink Sherbet Photography (Flickr)
  22. 22. Our 2 selves“We choose between memories of experiences” (Kahneman)• Experiencing• Remembering CC by Robert Snache - Spirithands.net (Flickr)
  23. 23. TakeawayEmotional experiences are important in games forfinancial and for critical success, but most importantfor memorability.Keep in mind the complexity of physiologicalrecording and analysis. This approach will only yieldmeaningful results if it is used correctly and withcare. There is no quick fix.
  24. 24. ASK ME ANYTHING THANKS!Lennart.Nacke@acm.org@acagamic (Twitter)facebook.com/hcigames Images © Lennart Nacke unless different CC license noted on Slide

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