Answer: Decline responsiveness
Step-by-step explanation:
Baby Max has masstered the act or skill of been jingled at, this is due to the fact that it's been done to him most of the time, Since it keeps reoccurring he can predict what will happen next, this results to the decline in his response when the same jingle is been done to him. A decline responsiveness occurs when an individual is engaged in same activity and hence looses interest as they can predict the activity.