Final answer:
Positive reinforcement is administered as a result of a desired behavior to increase the likelihood of that behavior occurring again in the future.
Step-by-step explanation:
The correct answer is C. It is administered as a result of a desired behavior.
Positive reinforcement is a process in which a desired behavior is strengthened by adding a positive stimulus. This means that the reinforcement is administered after the occurrence of a desired behavior to increase the likelihood of that behavior occurring again in the future.
For example, if a student completes their homework on time and as a result, they are given praise or a small reward, such as extra free time, this would be an example of positive reinforcement. By receiving the praise or reward, the student is more likely to continue completing their homework on time.