Pets versus service dogs: “When we were testing them it seemed like they performed differently based on how we were talking to them.”
Pets versus service dogs: “When we were testing them it seemed like they performed differently based on how we were talking to them.” Charlotte Observer file photo Charlotte Observer file photo
Pets versus service dogs: “When we were testing them it seemed like they performed differently based on how we were talking to them.” Charlotte Observer file photo Charlotte Observer file photo

Duke University study researches dogs’ responses to commands

August 30, 2015 04:00 PM

UPDATED August 31, 2015 10:34 AM

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