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Archive for April 14th, 2011

Gut Reactions

Posted by The Situationist Staff on April 14, 2011

From the Guardian:

The adage that justice depends on what the judge ate for breakfast may not be far from the truth, according to a study of more than a thousand court decisions.

The research, which examined judicial rulings by Israeli judges who presided over parole hearings in criminal cases, found that judges gave more lenient decisions at the start of the day and immediately after a scheduled break in court proceedings such as lunch. Jonathan Levav, associate professor of business at Columbia University, who co-authored the paper, said: “You are anywhere between two and six times as likely to be released if you’re one of the first three prisoners considered versus the last three prisoners considered.”

The authors of the peer-reviewed paper looked at more than 1,000 rulings made in 2009 by eight judges. They found that the likelihood of a favourable ruling peaked at the beginning of the day, steadily declining over time from a probability of about 65% to nearly zero, before spiking back up to about 65% after a break for a meal or snack.

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The exact reason for the shift from parole approval to a “default” outcome of denial is not clear, but the paper speculates that breaks may replenish mental resources by providing “rest, improving mood or by increasing glucose levels in the body”.

Levav said: “I don’t measure the judge’s mood. I don’t measure the judge’s glucose level. It’s just a very consistent empirical regularity.

“It’s a quite robust effect, and it really doesn’t matter how you cut the data you get to reproduce it,” he added.


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