When skyler was first training his dog, smooches, to heel he would give smooches a treat when she stayed close during walks. now smooches stays right by skyler's side, even when she is not on her leash. in this case: ?

I believe the answer is: the dog treats were positive reinforcers for staying close

Positive reinforcer refers to the stimulus that would influence an organism to repeat a behavior. This positive reinforcer is usually considered as a 'reward' by that organism and would give the organism the feeling of satisfaction or pleasantness.

Who knows, do another question and send it to me