Positive reinforcement decreases the desired behavior. decreases the frequency of negative behavior. increases the desired behavior. reduces the frequency of undesired behavior

True

Explanation:

The statement is true

Positive reinforcement decreases the desired behavior. decreases the frequency of negative behavior. increases the desired behavior. reduces the frequency of undesired behavior

classical republicanism, also known as civic humanism, is a form of republicanism  developed in the renaissance inspired by the governmental forms and writings of  classical  antiquity, especially such  classical  writers as aristotle, polybius, and cicero.

answer:

d. because dr. laguardia selected a widely used measure, his study generalizes to has strong external validity. external validity has limited external validity. other applications of this measure.

the widely used measure that he applied to his experiment was the benton facial recognition test. it employed on to football players and as result, only players who suffered brain concussions did not pas this test. and although it has an external validity, it is limited because it isn't general to apply to other population.