“…We chose a cutoff of 5 min rather arbitrarily, in appreciation of the work by Pittenger, Hockett, and Danehy (1960), who elegantly described the richness of information that can be communicated in just 5 min in the context of a diagnostic therapeutic interview. Although subsequent work has shown that a great deal of information can be conveyed in even briefer time periods (e.g., DePaulo & Rosenthal, 1979; Milmoe, Novey, Kagan, & Rosenthal, 1968; Milmoe, Rosenthal, Blane, Chafetz, & Wolf, 1967; Rosenthal, Blanck, & Vannicelli, 1984), we selected 5 min (300 s) as our cutoff for this review.- Short behavioral ratings had to be related to some clearly defined external, objective, behavioral criterion or to the criterion of ratings by experts. An external criterion would be the existence of deception.
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