Today I came across an article on dog signaling, a soft debate on whether to let a dog know when they have done something wrong. For example if the dog is doing something right, the ideal way to enforce this behavior is usually by praising, affection or treats, sometimes together with a vocal command (eg. "Yes", "Good"). However if the dog is doing something wrong, would it be advisable to let it know that the particular action is wrong, by correcting together with vocal command (eg. "No", "Off")? So to explore further this author consulted a psychologist, the psychologist then used crossword as an example to explain the effects. When you fill in a crossword puzzle and succeed in completing, you naturally get a sense of fulfillment/fun, which equals reward. However if you fill in the wrong information and receive a negative signal to notify you for making a mistake, wouldn't it make the crossword puzzle less interesting? The psycholo...