Paper Ghosts - The Exorcist Files

Let's say you're a scientist -- how far would you go to carry out a study? Back in the 1930s, two intrepid researchers went into full spy mode, stalking college students in an effort to determine how they behaved when they didn't know they were being observed. In today's classic episode, we join Ben and Noel as they explore the strange, ridiculous and, at times, disturbing history of informed consent.

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