The only way to know for sure if something is a reinforcer is to see if providing the item changes the person's behavior. Other methods, like asking others or observing free time choices, may not provide definitive answers. Understanding the actual impact on behavior is key to identifying effective reinforcers. ;
The best way to determine if something is a reinforcer is to see if providing it changes the person's behavior. This involves observing whether the behavior occurs more frequently with the reinforcer present. Other methods, like asking others or noticing preferences, may not give conclusive evidence of a reinforcer's effectiveness.
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