The Premack Principle describes how activities can be used as reinforcers for behavior that is less probable in an individual. In this lesson. Español: Un boceto del aparato utilizado por David Premack en para un experimento de comportamiento para demostrar el principio de. principio de maduración anticipatoria principio (т) Пе maduración Prägnanz principle principio (т) Пе Premack – Premack’s principle principio (т) Пе primacía .

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File:Premack’s – Wikimedia Commons

By using this site, you agree to the Terms of Use eo Privacy Policy. One of the earliest studies was conducted with young children.

Reinforcement occurs only when the situation is set up so that access to the contingent response has been reduced relative to its baseline level. Premack’s principleor the relativity theory of reinforcementstates that more probable behaviors will reinforce less probable behaviors.

Premack’s principle

Such observations led the team of Timberlake and Allison to propose the Response Deprivation hypothesis. That is, only children who preferred playing pinball over eating candy showed a reinforcement effect.

All articles with unsourced statements Articles with unsourced statements from March Some of the children preferred one activity, some the other. Premack’s principle may be violated if a situation or schedule of reinforcement provides much more of the high-probability behavior than of the low-probability behavior.


Premack’s principle suggests that if a person wants to perform a given activity, the person will perform a less desirable activity to get at the more desirable activity; that is, activities may themselves be reinforcers. This page was last edited on 22 Marchat In one procedure, eating was the reinforcing response, and playing pinball served as the instrumental response; that is, the children had to play pinball in order to eat candy.

An example is a mother who says “You have to finish your vegetables low frequency before you can eat any ice cream high frequency “. An individual will be more motivated to perform a particular activity if he knows that he will partake in a more desirable activity as a consequence. Just as “reward” was commonly used to alter behavior long before “reinforcement” was studied experimentally, the Premack principle has long been informally understood and used in a wide variety of circumstances.

Principio de Premack

Stated objectively, if high-probability behaviors more desirable behaviors are made contingent upon lower-probability behaviors less desirable behaviorsprinci;io the lower-probability behaviors are more likely to occur. Views Read Edit View history. In effect, the subject must subsequently increase responding to make up for the “deprivation” of the contingent response.

The results were consistent with the Premack principle: In the second phase of the experiment, the children were tested with one of two procedures. From Wikipedia, the free encyclopedia.

File:Diagrama del experimento de Premack.png

Retrieved from ” https: Premack gave the children two response alternatives, eating candy or playing a pinball machine, and determined which of these behaviors was more probable for each child.

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The Premack principle was derived from a study of Cebus monkeys by Professor David Premackbut it has explanatory and predictive power when applied to humans, and it has been used by therapists practicing applied behavior analysis.

Several subsequent experiments have supported this alternative to the Premack principle.

This study, among others, helps to confirm the Premack principle in showing that a high-probability activity can be an effective reinforcer for an activity that the subject is less likely to perform. Pruncipio observe the extent to which an individual princcipio deprived of, or prevented from performing, the behavior that is later made contingent on the second behavior.

David Premack and his colleagues, and others, have conducted a number of experiments to test the effectiveness of the Premack principle in humans. The roles of responses were reversed in the second test, with corresponding results.

More desirable behaviors are those that individuals spend more time doing if permitted; less desirable behaviors are those that individuals spend less time doing when free to act.