A street conversation with a man and his dog raises an interesting question:

He himself was a teacher and worked with children ‘in difficulty:’ that is to say disobedient and delinquent. At the suggestion of the school psychologist five years before, he took the dog to school with him where the dog exerted a very beneficial effect on the behaviour of the children, an effect that was lasting.

This was a phenomenon worth reflecting on. Why did the dog have such an effect?

Read the whole thing on the Salisbury Review website for the answer.