In Order to Get Her 2^nd Grade Students to Memorize

Multiple Choice

In order to get her 2^nd grade students to memorize the poem written on the chalkboard, Mrs. Thyberg gives the students stickers for each poem they can recite from memory. After earning 5 stickers, a student gets to pick a prize out of the goody box. Mrs. Thyberg is using (a) __________ to modify the children's behaviors.

A) token economy
B) applied behavior analysis
C) negative reinforcement
D) classical conditioning.