Which of the following methods is not suitable for identifying potential reinforcers?

Choosing a stimulus that is reinforcing for someone else is not a reliable method for identifying potential reinforcers for an individual. Reinforcement is highly individualized; what works as a reinforcer for one person may not have the same effect on another due to differences in preferences, interests, and motivation.

In practice, effective reinforcement depends on understanding the specific likes or dislikes of the person being assessed. Directly observing a subject's responses, conducting a stimulus preference assessment, and utilizing a choice-making procedure are all valid strategies because they take the subject's individual preferences into account. These methods involve directly engaging with the subject to determine what motivates them, ensuring that the identified reinforcers are personalized and effective. This highlights the necessity of individualized approaches in special education settings to enhance learning and engagement.