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The Design of Eco-Feedback Technology. -CHI 2010-. 1 Computer Science and Engineering (DUB Institute, University of Washington ) 2 The Information School (DUB Institute, University of Washington ). Jon Froehlich 1 Leah Findlater 2 James Landay 1. Outline. Introduction

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the design of eco feedback technology

The Design of Eco-Feedback Technology

-CHI 2010-

1Computer Science and Engineering

(DUB Institute, University of Washington )

2The Information School

(DUB Institute, University of Washington )

Jon Froehlich1

Leah Findlater2

James Landay1

  • Introduction
  • Model of Proenvironmental Behavior
  • Motivating Proenvironmental Behavior
  • Survey of Eco-feedback Technology
  • Conclusion
  • Eco-feedback technology
    • Provides feedback on individual or group behaviors with a goal of reducing environmental impact.
    • proenvironmentalbehaviors
  • FewHCI eco-feedback studies have even attempted to measure behavior change
  • Two overarching questions:
    • (1) what can HCI learn from environmental psychology
    • (2) what role should HCI have in designing and evaluating eco-feedback technology?
  • Bridge the gap
    • Environmental psychology <-> Designs of eco-feedback systems.
model of proenvironmental behavior
Model of ProenvironmentalBehavior
  • Two views of proenvironmental behavior
    • Rational choice models
    • Norm-activation models
model of proenvironmental behavior rational choice models
Model of Proenvironmental Behavior - Rational choice models
  • Attitude models
    • Favorable attitudes translate into favorable behaviors
    • Problem: Any number of other factors may also influence behavior
  • Model of responsible environmental behavior
    • Attempts to account for additional factors
    • Emphasize the intention to act as well as situational factors
  • Rational-economic model
    • Act to maximize rewards and minimize costs
model of proenvironmental behavior norm activation models
Model of ProenvironmentalBehavior – Norm-Activation Models
  • Personal norms are direct determinants
  • Differ from rational-choice models in two important ways:
    • (1) they recognize that behavior may be rooted in altruistic values
    • (2) personal norm activation (e.g., moral obligations)
  • It applies a similar value-based logic to a range of values such as curiosity, personal achievement, and feelings for wildlife.
model of proenvironmental behavior relating models to eco feedback technology
Model of ProenvironmentalBehavior – Relating Models to Eco-Feedback Technology
  • Subscribing to one model versus another could result in strikingly different choices about the type and presentation of information
  • Example:
motivating proenvironmental behavior
Motivating ProenvironmentalBehavior
  • Models of proenvironmentalbehavior
    • It is the base of designs
  • Specific strategies for changing behavior
    • Information
    • Goal-setting
    • Comparison
    • Commitment
    • Incentive / Disincentives and Rewards / Penalties
    • Feedback
motivating proenvironmental behavior1
Motivating ProenvironmentalBehavior
  • Information
    • It must be easy to understand, trusted, presented in a way that attracts attention and is remembered, and delivered as close as possible—in time and place—to the relevant choice
motivating proenvironmental behavior2
Motivating ProenvironmentalBehavior
  • Goal-setting
    • which operates through a comparison of the present and a desirable future situation
    • Goals affect behavior primarily through four mechanisms:
      • Goals = directive function; attention and effort toward goal
      • High goals often lead to greater effort than low goals
      • Persistence
      • Affect behavior
        • use, apply, and/or learn strategies or knowledge to best accomplish the goal at hand
motivating proenvironmental behavior3
Motivating ProenvironmentalBehavior
  • Comparison
    • A comparison between individuals or groups can be useful in motivating action
    • Comparison > Performance
    • Social networking sites
      • incorporation of competitions, social comparisons, and public commitments.
motivating proenvironmental behavior4
Motivating ProenvironmentalBehavior
  • Commitment
    • A commitment is a pledge or promise to behave in a specific way or attain a certain goal
    • The type of commitment a person makes, the person or group to whom the commitment is made, and whether the commitment is public or private
motivating proenvironmental behavior5
Motivating ProenvironmentalBehavior
  • Incentive / Disincentives and Rewards / Penalties
  • Before the behavior- Incentives and disincentives
  • After the behavior- Rewards and penalties
  • Monetary/ status / convenience / game-like reward elements
motivating proenvironmental behavior6
Motivating ProenvironmentalBehavior
  • Feedback
    • motivation techniques require some sort of feedback (e.g., goal-setting requires feedback about performance towards a goal)
    • Two forms
      • low-level feedback - explicit detail
        • e.g., the particular problems marked wrong on a math test
      • high-level feedback - summative performance
        • e.g., obtaining an ‘A’ in math class
      • Most effective feedback interfaces
        • multiple feedback options
        • updated frequently, interactive, capable of providing detailed
motivating proenvironmental behavior7
Motivating ProenvironmentalBehavior
  • Relating Motivation Techniques to Eco-Feedback
  • Each behavior has its own set of contexts and constraints which impact behavior change
  • Eco-feedback designers must think deeply about and study the particular behaviors they hope to change and/or motivate before building their prototypes.
survey of eco feedback technology
Survey of Eco-feedback Technology
  • Draw upon papers
    • CHI, UbiComp, and Persuasive conferences and related workshops
      • Keywords: “HCI & environment” or “HCI & sustainability”
      • Total 139 Papers
      • less than half of the HCI eco-feedback papers referenced behavioral psychology literature
      • 58% referenced environmental psychology literature
survey of eco feedback technology1
Survey of Eco-feedback Technology
  • Draw upon papers
    • journals in psychology and sociology
      • Journal of Environmental Psychology, Journal of Consumer Research, Journal of Social Issues and Journal of Applied Social Psychology
    • 82 papers related to the effects of feedback on environmental behaviors
      • recycling, transportation and home resource consumption (e.g., gas, water, and electricity)
    • most of these studies did not use eco-feedback technology
survey of eco feedback technology2
Survey of Eco-feedback Technology

Most commonly reported eco-feedback designs in

environmental psychology

The eco-feedback designs in the HCI papers

ambient display

mobile app (home feedback),

proenvironmental behavior tracking social website,

resource eco-feedback in a virtual game

ambient public display

survey of eco feedback technology3
Survey of Eco-feedback Technology
  • Consumption Targets of Eco-Feedback Technology
    • The most common target
      • residential electricity usage
      • 41% of the papers in HCI and 92% of the papers in environmental psychology.
    • Other targets
      • electricity, water, transportation, carbon tracking
      • garbage and recycling behaviors
      • the environmental impact of product purchases
      • paper usage
survey of eco feedback technology4
Survey of Eco-feedback Technology

Comparing studies of eco-feedback technology between the environmental psychology literature and the HCI literature.

survey of eco feedback technology5
Survey of Eco-feedback Technology
  • The design and evaluation of eco-feedback technology differently (HCI and environmental psychology)
    • HCI - feedback designs: understandability, usability, and aesthetic.
    • Environmental psychology - guidelines: how much baseline and intervention data studies need to collect in order to measure behavior change.
  • Both evaluation approaches are valuable, but the disciplines can also learn from each other
survey of eco feedback technology6
Survey of Eco-feedback Technology
  • Discussion
    • Design implications
    • System development and evaluation
    • Targeting feedback behaviors
    • Learning and feedback
    • Models of behavior change
    • Large-scale commercial deployments
  • We have investigated the ways in which HCI and environmental psychology approach eco-feedback technology research
  • Eco-feedback technology is a particularly ripe area for HCI and UbiComp research because it often requires sensor building, information visualization, and novel interfaces and interactions
  • These are key areas of our expertise. HCI also offers a set of methodologies founded on rapid prototyping, user involvement, and iterative design that allows for design feedback early and often.
  • Eco-feedback technology will soon play a major role in the world. The HCI community should ensure that it is integral in helping shape the role of eco-feedback in the future.