Smith Is Using Candy as a Positive Reinforcer to Train

Multiple Choice

Smith is using candy as a positive reinforcer to train his kindergarten class to behave properly. Which of the following scenarios uses omission to accomplish Mr. Smith's goal?

A) when a child behaves poorly he/she is taken out of the classroom
B) to be given candy, children must turn in homework assignments on time
C) candy is only given after a child is given a time-out
D) none of the above