Friday Feedback Favourites

Sorry for the absence of posts over the last while; vacations are coming to an end and a new semester is about to start and everything should roll along smoothly with a new blog post each week and the regular return of Friday Feedback Favourites.

Each Friday, I share a collection of stories, research, or other news and notes related to the role of feedback in complex systems that catch my attention during the previous week. Most of these I share on twitter when I first read about them; if you have a twitter account, feel free to follow me. If you’re not on twitter, I hope that you enjoy this selection of my favourites; links are provided so you can explore each one fully.

Here are this week’s favourites:

  • A different twist on dynamic speed displays: This variation photographs speeders in school zones and uses the photos for the display with the message “Before you rush through here, have a word with yourself”. The sign board is mobile and will be placed at different locations in Burnaby and Surrey during the start of school. the project is run by
  • Getting health care workers to wash their hands: Typical signs in hospitals focus on the personal risks of not washing your hands, e.g. “Hand hygiene prevents you from catching diseases”…but appear to have little effect in encouraging workers to wash their hands. What if the message is changed to focus on preventing disease in the more vulnerable hosiptal patients? Care workers are 10% more likely to wash their hands.
  • Have trouble getting out of bed when your alarm goes off in the morning? What if every minute you snoozed extra you had to donate a fee to charity? Snooze, a new app for iPhones (also works on iPad and iPod touch devices) helps you create a pledge to charity based on the amount you oversleep. The app itself is free, but requires a membership on

Photo courtesy of SCA Svenska Cellulosa Aktiebolaget on flickr

This entry was posted in Behaviour Change, Complexity, Feedback, Friday Feedback Favourites and tagged , , . Bookmark the permalink.

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