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Practice Reading: Fill in the Blanks (Dropdown)
ID: #51260
K-9 Cops
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Walking through , you've probably crossed paths with a few K-9 cops. But those dogs aren't just their noses. They may be led astray by where their handlers think drugs and explosives are hiding, too even when there aren't any. That's to a study in the journal Animal . The researchers 18 dogs certified by law enforcement agencies. As a test site, they used four rooms in a drug and explosive free church. The researchers left the first room untouched. In the second, they taped up a sheet of red paper. In the third, they hid a few Slim Jims as a decoy. And in the fourth, they taped red paper to a stash of Slim Jims. The dog handlers were told they might encounter the scent of pot or gunpowder up to three times per room, sometimes marked with red paper. It was a flat-out lie there were no target scents. But the dog teams still called 225 false alerts most often at the site of the red paper, whether there were Slim Jims there or not. The study doesn't mean K-9 cops are totally in the real world. But it does imply that the dogs aren't immune to the power of suggestion and neither are their handlers.
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