Evaluate Claims about Facilitated Communication

Stress the difficulty and importance of establishing construct validity by showing the video
"Prisoners of Silence." If you do not have the video, you may purchase a copy by contacting
Kathleen Boisvert
Coordinating Producer
Palfreman Film Group
142 Middle Street
Lowell, MA 01852
978-937-5671

The video highlights the difficulty of making inferences from behavior and the importance of using double-blind techniques. You could argue that it is "Clever Hans" revisited, but students find it fascinating.

For a more structured approach to using the "Prisoners of Silence" video, click here.


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