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Lessons from public urination

Category: Blog & News

Two interesting signs have been doing the behavioural rounds recently.

Both attempt to stop the disgusting problem of public urination and believe it or not, are helpful examples of how to modify customer behaviour.


Bad stuff happens when you do bad stuff

First to the streets of San Francisco where the sign below uses the threat of public shame to prevent public pee perpetrators. (I call this “Wee are watching”).

Source: Economic Policy Journal

This is an example of punishment. The behaviour (peeing on the wall) has an undesirable consequence (public shaming).

Punishment is a commonly used in business to penalise late payers, for example. Here’s one from my phone bill where they punish me with $15 if I miss the payment date.

Source: Supplied


The bad stuff stops when you stop what you’re doing

Now let’s visit the streets of Hamburg, Germany, where walls coated in water-repellant that make the pee rebound on the perpetrator. (I call this “Pee’d off wall”.)

Source: News.com.au

This is an example of negative reinforcement - the unpleasant thing (pee splashing on your shoe) stops when you stop the behaviour.

Hunger is an example of negative reinforcement. We don’t like the feeling of being hungry so we modify our behaviour (i.e. eat something) to provide relief. In your car, the annoying warning beeps when you are not wearing your seatbelt is another example of a negative reinforcer being used to modify behaviour.

Some clever businesses are using negative reinforcement rather than punishment to deal with issues like on time bill payments.

Here’s an example from my gas company who offers a “pay on time” discount for customers.

Source: Supplied


Which to use? The wall or the watching?

A key difference between punishment and negative reinforcement is that when I do the wrong thing, with punishment you do it to me (i.e. charge me a late fee) whereas with negative reinforcement, I do it to myself (i.e. pay on time so I can pay less).

Also, with a negative reinforcement you are modifying the behaviour taking place right now, whereas with punishment you are punishing past behaviour in the hope that it will influence future behaviour.

For these reasons negative reinforcement is usually a more effective strategy to modify behaviour. When customers feel like they are making the decision themselves, and relief is immediate, they will be much more likely to change what they do.

For more on how to change behaviour drop me an email bri@peoplepatterns.com.au or call 03 9787 0872.

This article also appeared in Smartcompany.


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