What is a token economy? select one: a. tokens are provided at variable intervals to increase the frequency of a desired behavior. b. tokens are provided at fixed intervals to increase the frequency of a desired behavior. c. tokens are exchanged for valued reinforcers to increase the frequency of a desired behavior. d. tokens gradually replace negative reinforcers to increase the frequency of a desired behavior?

C. tokens are exchanged for valued reinforcers to increase the frequency of a desired behavior.

Explanation:

In Token economy, the token could be anything that is considered as a reward.

For examples,

Let's say that you have a son.

In Order to encourage your son to make more effort on his test, you told him that you will give him one gold sticker every time he get B+ or higher on his tests. If he get 3 stars, he can exchange it with a box of ice cream of his choosing.

From the example of a token economy above, the gold stars acted as a token that reinforce the son's behavior. Since the son desire it so much, he will more likely to make more effort in studying, which is a desired behavior that the you want to impose to the son

i’m   sure probably just geuss and see which one you can get right, i’m pretty sure it is the combination of goods and services

is there a year set? the question is incomplete