Cedrick is hired as an ambulance driver which requires driving a vehicle wider than customary for him. on his first two trips, cedrick hears and feels strong vibrations near the tire because he has driven on the shoulder. cedrick quickly makes the appropriate adjustments, and no longer encounters the vibrations. his learning was the result of?

positive reinforcement.

Explanation:

Based on the information provided within the question it can be said that his learning was the result of positive reinforcement. This term refers to giving something to the a subject which will make them perform a specific desired action. This is done in order for them to associate the action with the something that was given to them and continue performing that action. In this scenario the input was the feeling of the vibrations under the tire which he associated to going on the curve and reacts by making the appropriate adjustments.