A Shy and Timid Child Works Up the Courage to Raise

Multiple Choice

A shy and timid child works up the courage to raise his hand to answer a question.The teacher calls on him and the child delivers an excellent answer.The teacher exclaims,"That is the best answer I have heard all week! Great job! Come up to the front of the room to get a sticker!" Unfortunately,the child found all of this attention unpleasant and no longer answers questions in class.His behavior of answering questions was:

A) positively reinforced.
B) negatively reinforced.
C) positively punished.
D) negatively punished.