Which of the following is an example of a secondary reinforcer?

Which of the following is an example of a secondary reinforcer?




A)
If Brandon can correctly identify five movies based on their trailer, the theatre is offering him a free general admission coupon.
B)
Evan is told that he will receive a free bottle of Gatorade if he can run five kilometers straight.
C)
Every time a mouse presses a green button followed by a blue button, they are provided with a food reward.
D)
Jacob has a fear of snakes after being bit as a child, and when he encounters a snake while riding his bicycle, he develops a fear of bicycles.



Answer: A