UCLA professor of psychology R. Edward Geiselman and three former UCLA undergraduates - Sandra Elmgren, Chris Green and Ida Rystad -analyzed have identified several indicators that a person is being deceptive.

The more reliable red flags that indicate deceit, Geiselman said, include:
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ufffd When questioned, deceptive people generally want to say as little as possible. Geiselman initially thought they would tell an elaborate story, but the vast majority give only the bare-bones. Studies with college students, as well as prisoners, show this.