Investigation
Can a polygraph reliably determine whether someone is lying?
A 2021 meta-analysis of comparison-question polygraph datasets found substantial average discrimination between deceptive and truthful examinees under the studied conditions.
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Canonical Source · meta analysis
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Evidence context
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Investigation
A 2021 meta-analysis of comparison-question polygraph datasets found substantial average discrimination between deceptive and truthful examinees under the studied conditions.
Investigation
A 2021 meta-analysis arguing for substantial CQT accuracy still recognizes countermeasures as a known concern and notes the limited evidence about operational field effectiveness.
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