SubRosa: Supporting a Proper Learning Atmosphere through Subtle Cues with Immediate Feedback

  • Paweł Woźniak
  • Bartosz Koczorowicz
  • Morten Fjeld
  • Andrzej Romanowski
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8462)


SubRosa is a persuasive ambient display system designed to reduce sound levels in areas used for quiet study. We have constructed a high-fidelity prototype that visualises ambient noise levels, in this case as a rotting tomato. SubRosa is different from similar systems in that it uses immediate feedback and targets a dynamic user group with a high member turnover. An experience study we conducted in two different locations showed positive influence on ambient noise conditions. Based on the study results, we discuss insights into the design of persuasive ambient displays, the effectiveness of our approach, and types of ambient feedback that could be used in similar systems. By comparing the experience study results, we show how immediate feedback for ambient displays is suitable for environments with dynamic user groups.


persuasive technology ambient display behavioural change ubiquitous computing 


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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Paweł Woźniak
    • 1
    • 2
  • Bartosz Koczorowicz
    • 2
  • Morten Fjeld
    • 1
  • Andrzej Romanowski
    • 2
  1. 1.t2i Interaction Lab, Department of Applied ITChalmers University of TechnologyGothenburgSweden
  2. 2.Institute of Applied Computer ScienceLodz University of TechnologyLodzPoland

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