Some time ago, I was in a public toilet in Amsterdam when I saw my chance, whipped my camera out, and got the picture. "I've wanted a shot of one of these for ages - I'll have great fun with this when I get home," I thought, as the other occupants watched me in alarm. .. The painted ceramic fly on the toilet bowl at Schiphol airport (which we men simply can't help but aim for, and was the subject of my snapping) is easily the most famous example of a 'nudge' - the hugely influential social psychology concept so expertly and thoroughly detailed by Jennifer Lunt and Malcolm Staves in the November issue of the SHP.1 As it happens, I do have lots of fun with that picture at other conferences when asking: "What rules, regulations, training, or supervision could match the automatic 50-percent reduction in splashing and associated cleaning costs the fly delivers?"
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