What prompting system is when the prompting starts with the most intrusive prompt and systematically moves to less intrusive prompts as the student starts to respond more independently.

Most to Least.

Explanation:

The most to least prompting system is the system in which the parent or teacher starts with most intrusive prompt to a least intrusive prompts. This prompting technique is most useful in the case when the student is lacking the necessary skills for the task. It starts with most prompting and prompting decreases as student start independently.