Negative reinforcement responding; punishment responding.

increases,decreases

Explanation:

Negative reinforcement is a term first described under "the theory of the operant conditioning" which was given by an American psychologist B. F. Skinner. In the negative reinforcement, behavior or a response is mostly  strengthened either by removing, stopping, or by avoiding the negative result or outcome or the aversive stimulus.

it is due to the halo effect as the impression of the boy created earlier.on the mind of the principle affected his decision

it brings together the military and civilian sectors of society to harness the total power of the nation. it is the mechanism that facilitates the successful prosecution of any conflict.it brings together the military and civilian sectors of society to harness the total power of the nation. it is the mechanism that facilitates the successful prosecution of any conflict.