Using the educational approach/therapy of token board use with students with autism write a reference guide/hand.

Using the educational approach/therapy of token board use with students with autism write a  reference guide/hand out that will be used for my classmates related to my topic. Then create a PowerPoint on the topic using the following:
Define the educational approach or therapy.
Discuss the current research on your topic and its benefits for children with disabilities.
Highlight the steps involved.
How will a teacher or parent know that the child is making progress?
What are some of the similar techniques used for helping children?