A question about the "guilty look" in dogs?
So, I've done research. I know that a dog does not associate your punishment (stern, angry voice, etc.) with anything it did previously, even if you're showing him a ripped up pillow. He does not know that it was wrong of him to rip up the pillow because no one was there while he was doing it to tell him that he was in the process of doing something wrong. So getting angry at the dog does not accomplish anything.
I just got into an argument with my mother about this. She walked in the door, saw the ripped up pillow. According to her, she had been petting and playing with our dog outside before coming in, and when she came in, she picked up the torn pillow (and I mean the stuffing had been completely pulled out of it-- coincidentally, I'd made it for her as a Christmas present a few years ago) and without having said anything to our dog, apparently just upon seeing my mom pick up the pillow, he walked and hid behind the couch. She figured that meant he knew he'd done something wrong, and so she proceeded to scold him. My sister and I tried to tell her that what she was doing was ineffective, but she doesn't think so because our dog hid before she showed any sign of being upset.
What accounts for him hiding like that? Did he actually know he'd done something wrong? Could he have been reacting to something else? To be honest, when I found it earlier, I showed him the pillow stuffing, and didn't say "no" until he tried to take it. I was not showing anger for him having ripped anything up, I only showed disapproval once he tried to take it. So, was that wrong? And could that have been what he was reacting to? It doesn't seem so to me, but... I don't know, any ideas? Explanations?
While we're here, if you have suggestions about how to keep him from ripping things up, that would be swell. It's not separation anxiety or boredom, because we have another dog and they play together a lot. We adopted him about a month or so ago, and he's around 2 years old. We think his previous owners didn't have enough control over him, but we're not sure how to fix this, because it's not possible to watch him all the time, and keeping him in the crate when we're not around won't teach him anything.