Delayed Reinforcement: This term refers to receiving the reward after some time has passed since performing the desired behavior. For example, getting paid at the end of the month for working hard throughout that period.
Positive Reinforcement: This term refers to providing something desirable (e.g., praise, treats) after performing a desired behavior in order to increase its occurrence.
Negative Reinforcement: This term refers to removing something aversive or unpleasant (e.g., turning off an annoying alarm) after performing a desired behavior in order to increase its occurrence.