Which of the following is an example of a tangible reinforcer?

A tangible reinforcer is a physical item that can be given as a reward to reinforce a desired behavior. Stickers are a great example of a tangible reinforcer because they are objects that can be handed to an individual, therefore providing a concrete form of recognition or reward for performing a specific action or behavior.

In contrast, music, private conversations, and walks are more abstract forms of reinforcement. While they can certainly be enjoyable and motivating, they do not provide a physical, tangible reward that can be held or kept. Music is an auditory experience, private conversations involve social interaction and verbal communication, and walks are an activity rather than a physical reward that can be collected or displayed. This distinction is important in understanding how different types of reinforcers can be utilized effectively in behavior modification or educational settings.