Evidence-based Conservation
Many of us are aware we have an impact on the planet but, as we know, there is a push to become aware with greater precision. One tool for this is the waterdrop, a shower meter marketed in Britain. Here is the blurb about it at the Ethical Superstore:
Statistics suggest that showering accounts for around one third of the total water used in the home. With each person in the UK using around 150 litres of water a day, this brings into question the accepted notion that showering uses less water than having a bath.
The Eco Showerdrop Shower Meter is an ingenious yet simple device designed to…
Social-norms campaigns are intended to mitigate problem behaviors by conveying the message that problem behavior occurs with far less frequency than people think (e.g. teenage drinking). But for individuals who already abstain from the undesirable behavior, this can actually produce a boomerang effect (similar to the effect we discussed for the Crying Indian PSA) where people see that others are behaving in a certain way and actually do more of the undesired behavior. In other words, there is a tendency toward normalization.
In social messaging, therefore, it is important to build in…
As part of the "Keep America Beautiful" campaign, "The Crying Indian" spot first aired in 1971 and was shown throughout the 1970s and 80s. It won two Clio Awards and was named one of the top 100 advertising campaigns of the 20th Century by Ad Age Magazine:
But research in psychology shows that this public service announcement (PSA) may not have been as effective as is widely believed.
Research by Bob Cialdini at Arizona State University reveals that the PSA's main message -- that we should not litter -- may have been undermined by showing how many people do in fact litter.
In his…