Which of the following is NOT a type of stimulus prompt?

When considering the types of stimulus prompts, it's important to understand that they are categorized based on how they help a learner respond correctly to a task or instruction. Visual prompts involve things like pictures or written instructions, which aid in guiding the individual's understanding through sight. Gestural prompts utilize body movements or gestures to signal or encourage a certain behavior. Positional prompts refer to the arrangement or placement of materials or cues to make the correct response more likely.

Physical prompts, on the other hand, involve direct interaction between the instructor or another person and the learner; this might include hands-on guidance or support to complete a task. Therefore, while physical prompting may be a method of assisting learning, it is not categorized as a type of stimulus prompt in the same way that the others are. This distinction is crucial in the study of behavior analysis and instructional strategies, as effective prompting techniques are essential for promoting learning and skill development in various contexts.