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Moving Beyond Line Graphs: A (Brief) History and Future of Eco-Feedback Design

I gave this talk at Behavior, Energy and Climate Change 2010 in Sacramento, CA. I briefly introduce energy feedback (eco-feedback) displays, provide a critique of the current (over) reliance on time series line graphs, and point out directions for the future. If you're interested in this topic, see my webpage for more: http://bit.ly/jonuw

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Moving Beyond Line Graphs: A (Brief) History and Future of Eco-Feedback Design

  1. 1. Moving Beyond Line Graphs @jonfroehlich
  2. 2. Feedback is about empowering people with information to positively inform and change behavior
  3. 3. the prius effect?
  4. 4. • Immediate • Simple • Educates • Constrained environment • Reason to care • Informs only one action why is the prius effective?
  5. 5. the prius effect?
  6. 6. 1976
  7. 7. Kohlenberg et al., J. of Applied Behavior Analysis, 1976
  8. 8. kitchen Kohlenberg et al., J. of Applied Behavior Analysis, 1976
  9. 9. kitchen Kohlenberg et al., J. of Applied Behavior Analysis, 1976 • Immediate • Simple • Educates • Constrained environment • Reason to care • Informs only one action the lightbulb effect?
  10. 10. kitchen Kohlenberg et al., J. of Applied Behavior Analysis, 1976 • Immediate • Simple • Educates • Constrained environment • Reason to care • Informs only one action the lightbulb effect?
  11. 11. 2010
  12. 12. • Talk about feedback intervention • Talk about energy savings from feedback studies 12 Feedback results in energy savings of between 5-12% Darby, 2000; Abrahamse, 2005; Fischer, 2008; EPRI 2009
  13. 13. • Talk about feedback intervention • Talk about energy savings from feedback studies 13 But we’re still unsure what aspects of feedback are most effective Darby, 2000; Abrahamse, 2005; Fischer, 2008; EPRI 2009
  14. 14. data update frequency cost to implementlow high Residential Electricity Use Feedback: A Research Synthesis and Economic Framework, EPRI 2009
  15. 15. data update frequency cost to implementlow high Residential Electricity Use Feedback: A Research Synthesis and Economic Framework, EPRI 2009 OPower PG&E Website The Energy Detective Energy Savvy.com
  16. 16. data update frequency cost to implementlow high -10 0 10 20 30 PercentSavings Type2 Type3 Type4 Type5 Type6
  17. 17. • Talk about feedback intervention • Talk about energy savings from feedback studies 17 More information != More Behavior Change Darby, 2000; Abrahamse, 2005; Fischer, 2008; EPRI 2009 Data Presentation > Data Update Frequency
  18. 18. Feedback du jour line graphs
  19. 19. TED The Energy Detective
  20. 20. Google PowerMeter
  21. 21. Yello Strom
  22. 22. Wattson Holmes
  23. 23. Lucid Design Group
  24. 24. Microsoft Hohm
  25. 25. High cognitive burden on person. Why?
  26. 26. How much time per day do we expect people will spend exploring their consumption behaviors?
  27. 27. How much time per day do people spend exploring their finances?
  28. 28. financially prudent 8.4 hrs/mo  16.8 min/day less financially successful 4.6 hrs/mo  9.2 min/day me (grad student) 0.5 hrs/mo  1 min/day
  29. 29. < 1 min
  30. 30. How actionable is this information? Line Graphs
  31. 31. which door do i push, which door do i pull?
  32. 32. which door do i push, which door do i pull?
  33. 33. which door do i push, which door do i pull? pull push
  34. 34. which door do i push, which door do i pull?
  35. 35. Norman door!
  36. 36. affordance refers to the perceived properties of a thing that determine just how that thing could possibly be used don norman vertical handle cues pull behavior
  37. 37. affordances affect our perception of use can affordances change our behavior?
  38. 38. In-N-Out Burger!
  39. 39. Battle of the Cans
  40. 40. Battle of the Cans
  41. 41. Duffy, Environment and Behavior, 2010
  42. 42. Duffy, Environment and Behavior, 2010
  43. 43. Whatdoes this have to do with feedback?
  44. 44. Perceptual affordance refers to the perceived properties of a thing that determine how that thing is used Flat textured surface affords pushing! Vertical handle affords pulling
  45. 45. Motivational affordance refers to the perceived properties of information that determine how that information is acted upon Highly effective at stopping drivers
  46. 46. Motivational affordance refers to the perceived properties of information that determine how that information is acted upon Highly effective at stopping drivers
  47. 47. analytics engine for personal spending
  48. 48. How much money do I spend per month on Starbucks?
  49. 49. starbucks spending
  50. 50. This type of inquiry is not possible with current energy feedback systems; it needs to be.
  51. 51. Future
  52. 52. Feedback system provides dissaggregated feedback
  53. 53. itemized energy feedback image credit: sidhant gupta
  54. 54. Hot Water Heater Consumes 19% of Your House’s Energy
  55. 55. Feedback system suggests lowest effort actions for greatest efficiency gain
  56. 56. Replace Your Hot Water Heater with a Tankless System and Save $250/yr
  57. 57. You are losing $250/yr by using this water heater
  58. 58. < 1 min
  59. 59. See also: CHI 2010 talk http://bit.ly/jonuw
  60. 60. See also: these two papers http://bit.ly/jonuw Best Paper!
  61. 61. fresh off the presses: http://bit.ly/jonuw
  62. 62. photo credits first/last slide: flickr code poet slide 6: trinity university, class of 1976 slide 11: monctonblogger slide 18: remarkably domestic slide 25: flickr grant mitchell slide 27,28,30,71: flickr tonyvc slide 47: steve foon images slide 48, 51: loston wallace slide 49,51: flickr conbon33 slide 50,51, 52, 53: flickr sillgywailo
  63. 63. Moving Beyond Line Graphs twitter: @jonfroehlich design: use: build: ubicomp labuniversity of washington sustainability researchuniversity of washington

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