Final answer:
Operant conditioning is the situation where behaviors are influenced mainly by the consequences that follow them. Reinforcement increases the likelihood of a behavior being repeated, while punishment decreases it.
Step-by-step explanation:
The situation in which behaviors are influenced mainly by the consequences that follow them is called operant conditioning. Operant conditioning is a form of learning in which behaviors are strengthened or weakened based on the consequences that follow them. Reinforcement, which can be positive or negative, increases the likelihood of a behavior being repeated, while punishment decreases the likelihood of a behavior being repeated.