Monday, May 15, 2017

Raskin on the polygraph, 1975.

Mackenzie-Lewis polygraph,
Wellcome Images, London.
In March 1975, psychologist and professor David C. Raskin delivered the Vancouver Institute lecture "Lie Detection and the Judicial System." Raskin, key in the development of the computerized polygraph test, discusses the theories behind lie detection, tracing its historical development (including the 1920s Frye case) and describing the procedure then in use for polygraph tests.

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