Answer:positive reinforcement
Explanation:
Based on operant conditioning, positive reinforcement occurs when a behavior is reinforced by adding a particular stimulus which increase the chances of a behavior occuring again in the future . When a particular behavior is rewarded the response or that behavior is enhanced or strengthened. The dog cries and it is rewarded by the family constantly checking on it as a result the crying increases because the dog knows it will be comforted when it cries. The checking on the dog has increased the crying behavior
