Understanding Intermittent Reinforcement in Parenting

When your child refuses to tidy up their toys, pulls their sibling’s hair, or has a tantrum, rewarding them might be the last thing on your mind. We totally understand that feeling! However, reinforcing positive behavior when it occurs—possibly through rewards—can significantly increase the chances of that behavior happening again. This concept is part of operant conditioning, a learning method where new behaviors are shaped by their consequences. So, what does this mean for you as a parent? Utilizing reinforcement can promote the behaviors you want your child to adopt, like cleaning up their toys or not pulling hair. One effective strategy for encouraging and motivating your child without escalating conflicts is intermittent reinforcement.

Once a new behavior is established, parents can use partial or intermittent reinforcement to solidify that behavior. Instead of consistently rewarding the behavior, intermittent reinforcement involves providing reinforcement only some of the time.

What is Intermittent Reinforcement?

Intermittent reinforcement is a conditioning strategy where rewards or consequences are provided sporadically for desired behavior. This differs from continuous reinforcement, where a child receives a reward every time they exhibit the desired behavior. For instance, under continuous reinforcement, a child might get an extra hour of screen time for completing their math homework. In contrast, with intermittent reinforcement, they would also receive screen time for finishing their homework, but only occasionally and unpredictably.

How Does an Intermittent Reinforcement Schedule Work?

In an intermittent reinforcement schedule, rewards are given after varying intervals of time. The reinforcement remains constant (like one hour of screen time after homework), but the timing varies randomly. Each interval could range from one to five days or two to four hours, meaning your child can’t predict when they’ll receive the reward. This unpredictability can encourage them to maintain steady behavior, such as completing their homework.

Why is This Effective?

Think about it: if you received a reward every time you did something, then suddenly that stopped, you might assume the reward is no longer available and revert to old habits. However, if you know a reward will eventually come, you’re likely to persist in your behavior, even if you don’t receive it for a while. This explains why intermittent reinforcement can lead to longer-lasting behavior changes compared to continuous reinforcement—the anticipation of a potential reward drives motivation.

There are four types of intermittent reinforcement schedules, categorized into two groups based on intervals (time) and ratios (number of responses). These are:

Fixed Interval Schedule: A response is reinforced after a set amount of time.
Fixed Ratio Schedule: A response is reinforced after a specific number of actions.
Variable Interval Schedule: A response is reinforced after an unpredictable duration.
Variable Ratio Schedule: A response is reinforced after a random number of actions.

Examples of Intermittent Reinforcement

A relatable example of intermittent reinforcement is visiting an arcade. Your child won’t win every time they play, and the number of tickets won varies, creating a sense of excitement. Another example is fishing; while you may not catch fish every time you go, previous successes keep you returning in hope of a big catch.

From a parenting perspective, an example could be responding to a child’s public tantrums. Continuously giving them a toy every time they throw a fit would be continuous reinforcement. In contrast, if you only discipline them occasionally, it creates mixed signals and an unpredictable response pattern.

Examples for Different Age Groups

Ages 4 to 7: Your child is on their iPad. When you ask them to turn it off, they plead for five more minutes. If you grant this request once but deny it another time, it creates variability in their expectation of rewards.
Ages 8 to 10: After consistently denying your child’s request to swap a healthy lunch item for a snack, if you occasionally allow it, they may be more inclined to eat their lunch in hopes of that reward.

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In summary, intermittent reinforcement is a powerful tool in parenting that can help shape and strengthen desired behaviors in children by providing rewards sporadically, creating anticipation and motivation for positive behavior.