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dobbspic I write articles on science, medicine, nature, culture and other matters for the New York Times Magazine, The Atlantic, Slate, National Geographic, Scientific American Mind, and other publications, and am working on my fourth book, The Orchid and the Dandelion, which expands on my recent December 2009 Atlantic article. In August 2010, I'll be moving to London for a year to work on the book. I'll also serve as a senior fellow at City University London's MA science journalism program.

You're encouraged to check out my third book Reef Madness: Charles Darwin, Alexander Agassiz, and the Meaning of Coral, which traces the strangest but most forgotten controversy in Darwin's career; subscribe to Neuron Culture by email; see more of my work at my main website; or track Twitter feed, my Google Reader shared items, or my Tumblr log, which gets it all.

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    « Unkillable 'water bears' live on lichens, in space, and most likely way past us | Main | Minds of Babes, Agony of Defeat, Ocean Modeling, Oh MY »

    Why Bars Are So Loud

    Posted on: September 19, 2008 6:55 PM, by David Dobbs

    Direct from Mind Hacks: Loud Music Makes You Drink More:
    PsyBlog has a delightful article discussing whether louder music increases alcohol consumption. It turns out it does, and surprisingly, there seems to have been quite a few studies done to examine the effect. One research group even did a sort of randomised controlled trial on bars and music in a fantastic real-world experiment. One study by Gueguen et al. (2004) found that higher sound levels lead to people drinking more. In a new study published in Alcoholism: Clinical & Experimental Research, Gueguen et al. (2008) visited a bar in the west of France to confirm their previous finding in a naturalistic setting. Here, they observed customers' drinking habits across three Saturday nights, in two different bars in the city. The level of the music was randomly manipulated to create the conditions of a true experiment. It was either at its usual volume of 72dB or turned up to 88dB. For comparison: 72db is like the sound of traffic on a busy street while 88db is like standing next to a lawnmower. Sure enough when the music went up the beers went down, faster. On average bar-goers took 14.5 minutes to finish a 250ml (8 oz) glass of draught beer when the music was at its normal level. But this came down to just 11.5 minutes when the music was turned up. As a result, on average, during their time in the bar each participant ordered one more drink in the loud music condition than in the normal music condition.
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