Problem: In three of the following situations, positive reinforcement is occurring. Which situation describes negative reinforcement? Group of answer choices Sean is training his puppy and gives it a treat every time it sits when he commands it. Kim is participating more in class this semester and her teacher, Mr. Dale, says to her: "I can see that you make an effort to participate more and your contribution to the class discussions is wonderful". The basketball team worked hard to complete the scheduled training in preparation for the big game the following week, so their coach decided to cancel the 3-mile run on the last day of training. Lyn is helping his father take care of the farm and his father decides to surprise him with a camping trip over the weekend.