[dustyventure]

That's what the original experiment was about the first time it made it to the mill, but the article is all about conclusions from the experimenter about rich environments. If you taught your dog a trick I hadn't seen before would you expect me to have a heightened belief that you knew the science of mammal emotions? I would just assume that you had a good treat and had or developed an understanding of some of their more direct physical/cognitive limits.