Theodore Xenophon Barber (1927–2005) and David Smith Calverley (1937–2008) were American psychologists who studied "hypnotic behaviour". They measured how susceptible patients were to hypnotic induction.
American psychologists Theodore Xenophon Barber (1927–2005) and David Smith Calverley (1937–2008) researched "hypnotic behavior." They assessed the responsiveness of patients to hypnotic induction.