A July 15 Psychology Today article about detecting deception featured QVerity's Phil Houston, who provided some valuable advice for interviewers on reliable indicators of deception, as well as on popular approaches that may not be so reliable. Here's an excerpt:
"Houston warns that it’s often too difficult to discern valid deviations from baseline. So instead, he encourages interviewers to simply look for clusters of potential tells, whether or not they deviate from baseline. ... Houston believes that verbal as well as nonverbal communication offers hidden clues. For example, note if a person moves from convey mode to convince mode: when normally, s/he gives short, crisp answers but then, to an equally simple question, goes into a long explanation."
To read the full article, click here.