Thursday, December 8, 2016

More about nudging

There are two street signs in front of our home.  One alerts drivers that this stretch of road is a school zone, maximum speed 25mph.  The second sign warns drivers of a bump ahead.  The first is a mandate: obey or risk a fine.  The second is not a law, it’s a nudge: slow down or risk damage to the car (but it’s your choice).  Although I would like to think that drivers would be more responsive to the school zone designation than the bump warning, the opposite is true (believe me, I’ve collected the data).

Social scientists have demonstrated that nudges exert a powerful effect on our choices – and they exist all around us.  They include default settings on cell phones, automatic appointment reminders from physicians’ offices, the peel of an alarm clock, a text alert, an app that calculates calorie expenditure, the candy display at the checkout counter.   Governments are big users of nudges: health warnings on cigarette packs, nutrition tables on food packaging, feedback about household energy use in comparison to neighbors.   Compliance with a nudge is always voluntary – but the direction it encourages is readily seen.

But not all nudges are effective.   A parent’s remark, this might be a good time to start your homework, may be construed as nagging rather than a well-meaning nudge and yield the opposite behavior from what the parent desired. Social psychologists who research nudges have identified a number of factors that make a nudge more or less effective, such as simplifying the message, using social norms, and providing clear direction. 

I have been applying what I've learned about nudging in my own back yard (literally).  For several years, neighborhood dog walkers who don’t clean up their pets’ mess, particularly when it is deposited in my yard, have irritated me.   So I’ve been experimenting with different nudges to encourage more courteous behavior (on the human's part).  Here’s my latest (and it works!)


Although my objective is less dog poo in my yard, the sign’s goal is to influence human behavior -- not pet behavior.  The city offered to put up a sign citing the law about pet waste and the penalty for breaking it.  But such a sign frames the problem as a legal issue and likely leads many to automatically ask themselves: Can I get away with breaking this law? (The answer: Yes).  So I turned down the city’s offer and duplicated one I had seen at a wildlife preserve. It illustrates several important features of an effective nudge by: 1. Drawing upon reciprocation (we’ve done something for you, now we ask something in return); 2. Referencing social norms (most everyone picks up), 3. Suggesting a specific behavior, and 4. Making it easy and efficient to comply (by providing the poo bags).  Like all nudges, compliance is voluntary, a free choice, but the wording has had the desired effect – I’ve not found any poo in my yard since I posted the sign.  

Although dog poo is not likely to be on most people’s list of top ten annoyances, parents can likely identify any number of child behaviors they would like to influence without nagging and coercing.  Here are some examples of how parents used the power of nudging: 
  • ·       One parent hung a simple sign on the refrigerator on days he planned to do laundry: LAUNDRY DAY. His children understood that he would do any laundry piled in the bin next to the washer, anything not left there would be the children’s responsibility. 
  •         When a mother became weary of her three teenage daughters’ fights over access to their  shared bathroom, she removed the bathroom mirror and placed well-lit mirrors in their rooms.  The girls moved to their rooms to put on their makeup and fix their hair – freeing the bathroom for one another.
  •          Early during every holiday family get-together, one father/uncle/husband/brother-in-law (guess who?) sat the family down to watch National Lampoon’s Christmas Vacation with Chevy Chase.  It’s a laugh, but also a reminder of what a disaster a get-together can be if everyone isn’t on their best behavior (and they always were).
  •          A father using a point system to reward “getting along,” posted pictures on the refrigerator of what the points could purchase when enough had been earned.
  •          A father, alienated from his daughters but still seeing them, acquired a dog as the family’s newest pet. He named her Git-A-Long. 
  •          A mother, frustrated by her ex’ uncooperativeness, scheduled a doctor’s appointment for her son and gave her ex the choice of “opting out” and rescheduling or going along with the appointment she arranged. 




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