Core distinction and conditions
In operant learning, a consequence is classified by its relation to a specified behavior. First decide whether something is added or removed after that behavior: positive means addition and negative means removal. Then examine the behavior’s later likelihood: reinforcement increases it and punishment decreases it. These words describe a contingency and an observed function. They are not moral evaluations, and a consequence intended as a reward may fail to reinforce a particular behavior. Always keep the target action explicit; an outcome that strengthens one action may have a different relation to another.
Worked example: removal with increased responding
A shared workspace makes a repeated warning sound while a drawer remains open. Closing the drawer stops the sound, and people subsequently close it more promptly. For prompt closing, the consequence removes the sound and the behavior increases. It therefore functions as negative reinforcement. If a different policy removes a valued privilege after a behavior and that behavior decreases, the consequence functions as negative punishment. The fact that both involve removal does not make them equivalent. Without later behavior information, describe the intended contingency cautiously rather than asserting that reinforcement has been demonstrated.
Keep schedules and response criteria separate
A schedule describes when an eligible response can earn reinforcement. Ratio requirements depend on a number of responses; interval requirements depend on time. Fixed means the requirement is predictable and constant, while variable means it changes. For an interval schedule, the first eligible response after the elapsed period matters; simply waiting does not necessarily deliver a reward. Shaping addresses a different question: which response qualifies? Successively closer approximations to a target are reinforced as the criterion changes. A trainer can shape a new response while also deciding how often eligible responses receive consequences. The concepts can coexist without being synonyms.
Transfer check: observe before labeling
A puzzle app removes an annoying banner when a learner begins a difficult task. The learner then starts those tasks more often. Classify the consequence for starting: removal plus increase makes it negative reinforcement. If starting instead became less frequent, the same increase-based claim would no longer fit. Next, suppose a badge becomes available for the first solution after exactly ten minutes, and extra early solutions do not accelerate availability. That is a fixed-interval arrangement, not a fixed response count. Explain both axes and the schedule condition before attempting the linked questions.
Try it, then explain it.
Complete a short set without looking at the example. After each answer, explain which evidence or rule supports your decision and why the alternatives do not fit.
Sources & authorship
Original OpenExam explanations and examples. References support the concepts; they are not the source of copied questions. Independent educator review is pending.
OpenStax Psychology 2e, section 6-3