Huffington Post - The findings, co-authored by a University of Arizona transportation planning expert and two Portland State University students, were published in August in Transportation Research. The researchers trained six participants -- three white, three black -- and had them stand at a crosswalk in downtown Portland, Oregon. Then researchers observed 88 trials, cataloguing how many cars passed without letting the pedestrian cross and how long it took for a driver to finally stop.
"Drivers were clearly displaying behaviors consistent with implicit racial bias," study co-author Arlie Adkins said. "It was not a very large study, so we weren't sure the amount of data collected would be enough to reach statistical significance, so we were surprised to see how quickly the significance showed up."
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