Dad and tot enter the checkout lane of the supermarket. When the child screams for candy, dadpops a sucker in her mouthto quiet her down. 1. What were the immediate consequences of giving the child candy for the dad? 2. Will the dad be more or less likely to give the child candy when he (the child) screams in the future? 3.What operant conditioning principle is at work? 4. From an operant conditioning perspective, what recommendations would you make to the dad at the supermarket described above?