Ted gave a talk to his high school class that was laced with humor and understanding and showed that he really grasped the important points in the history of the French Revolution, which was what his history class was studying. When he was finished, Ted was praised by his teacher as well as by several classmates. The praise was an example of a .

Reward/reinforcement

Explanation:

Reward/reinforcement is a technique that is used to motivate a person on their performance. These are the positive values that make an objective ascribes, physical acts and behavior. There are different types of rewards present. Primary rewards are those which are very necessary to survive for a person such as sexual contacts and food. The secondary rewards are that like money, praise, motivation, etc. These rewards help a person to grab their achievements. They can set targets.  

Thus here Ted was praised and the praise was an example of the rewards or reinforcement.  

answer; ///i believe the state is (pennsylvania);