We all know someone who has a bad reputation. Backstabber. Malicious gossip. Liar. Cheater. Gets unpredictably angry. And we try to keep that reputation in mind when we deal with the person. If you are like me, you might give the person the benefit of the doubt, but then when it happens to you, you back off and are no longer willing to trust the person. As the saying goes, once bitten, twice shy.
But can dogs assess who has a bad reputation? On the surface, the answer seems to be easy – Of course not. Dogs are supposed to be friendly toward everyone, and are supposed to lack the thinking skills that would allow them to form a judgment about reputations.
Not so fast, however, with the easy answers.
A new study appearing in the journal Animal Cognition shows that dogs can make some pretty good judgments about people’s reputations (Kundey et al. 2011. Reputation-like inference in domestic dogs (Canis familiaris). Animal Cognition 14: 291-302).
The experimenters used a very clever trick. While a dog was watching, they had two people kneeling side-by-side in front of another person who was kneeling facing the other two. The two kneeling people each gave the person facing them a treat by placing the treat in front of the person. But one of the two givers consistently took the treat back, while the other giver allowed the person in front of them to take the treat. Then each of the givers offered the dog a treat by placing the treat in front of them, just like they did when they were offering the treat to the person. The dog was allowed to choose whose treat to take.
All ten dogs in this experiment chose to take the treat from the giver who didn’t take back the treat.
To control for unintentional cues, the experimenters tried a variety of modifications of this experimental design, each with about ten new dogs. In one modification, the givers were kneeling facing away from the recipient person, and had to reach backward to offer the treat. In another modification, the givers were not people, but large cardboard boxes with people inside reaching out to put down the treats. In a third modification, the recipient was a cardboard box.
In each case, at least nine of the ten dogs chose to take the treat from the giver who didn’t initially take the treat back.
The experimenters concluded that the dogs formed a concept of the reputation of each of the givers: one giver was reliable in offering the treat, while the other one was unreliable.
Let’s extend these results to our dogs. How many times have you yelled at your dog, hit your dog, yanked your dog by the collar or leash, or otherwise acted in an unpleasant manner toward your dog (my hope is that your answer is “zero”)? For those who do that, these experiments imply that dogs are forming a concept of the reputation of their people.
Just as we don’t do well in an environment of working with a boss who has a reputation for being unpleasant, maybe dogs don’t do well living with people who have a reputation of being unpredictable.
And maybe dogs act out when they get a concept that the person that they are living with has a bad reputation.
The moral of the story is, be nice to your dogs.
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