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Crystal Lake Hoffy

Post subject: See... Elmhurst Steve would make a great NHL Referee

Posted: Sat Apr 28, 2012 10:01 pm

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http://m.npr.org/news/Science/151383136

Power (Dis)Play? Teams In Black Draw More Penalties

Published: April 26, 2012

by Shankar Vedantam

Hockey teams wearing darker-colored jerseys are more likely to be penalized for aggressive fouls than teams wearing white jerseys, according to new research. Teams wearing black jerseys in particular get penalized the most, according to an analysis that may offer a window into the hidden psychological dynamics of the ongoing NHL playoffs.

"Teams that wore black jerseys were penalized more, significantly more, than teams wearing other colored jerseys," said researcher Gregory Webster of the University of Florida, Gainesville.

The psychologist said that teams that wore darker colored jerseys were penalized about two minutes more per game. The finding is based on an analysis of more than 50,000 NHL games over a quarter century. Players spend nearly a million minutes in penalty boxes in those games.

While the link between jersey colors and penalties is correlational, Webster said it's likely to be more than mere coincidence: A 2003 rule-change by the NHL that affected whether teams wore white or colored jerseys for home and away games allowed researchers to conduct a quasi-experiment.

Before 2003, teams typically wore white jerseys at home and colored jerseys for away games. After 2003, teams wore colored jerseys at home and white jerseys for away games. There were some exceptions, but the change in uniforms meant that the researchers could disentangle the influence of the jersey-colors on penalties from the possibility that teams were being penalized more or less depending on whether they were playing in front of a home crowd.

Why The Increase In Penalties?

It is not entirely clear what's driving the link between darker colored jerseys and increased penalties. But Webster said there could be a handful of different explanations.

One possibility is that players wearing darker colored jerseys are more visible on the ice than players wearing white, allowing referees to spot fouls more easily. The trouble with that theory is that players wearing black jerseys in particular got penalized more than players wearing other dark colors — it isn't clear why black would be so much more visible on the ice than other dark colors.

A second possibility is that wearing dark colors somehow makes players more aggressive, which lands them more often in the penalty box.

A third possibility, Webster said, is that players were not doing anything different, but that the referees had unconscious biases against black and other dark colors.

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