Provide an explanation of how your data, in general, provided evidence of that answer. "a Differential Reinforcement of Low Rates (DRL) criterion was established, aiming to reduce the frequency of calling out to 3 or fewer times per hour. The initial criterion was set to reinforce Cody when he screamed no more than 3 times in a 5-minute interval. By the end of the observation period, Cody's screaming had reduced to an average of 2 screams per 5-minute interval. In addition, after a week of meeting the 5-incident criterion, reduce it to 4 incidents per hour