Citation:
B.F. Skinner was a psychologist who developed the theory of operant conditioning, which posits that behavior is determined by its consequences, be they reinforcements or punishments.
A theory of learning that focuses solely on observable behaviors, disregarding any mental activities.
In operant conditioning, it's any event that strengthens or increases the behavior it follows.
It's an event that decreases the likelihood of the behavior it follows in operant conditioning.