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Criticisms have been given regarding the validity of the administration of the Control Question Technique.

The CQT may be vulnerable to being conducted in an interrogation-like fashion.

Within the US federal government, a polygraph examination is also referred to as a psychophysiological detection of deception (PDD) examination.The test is usually conducted by a tester with no knowledge of the crime or circumstances in question.The administrator tests the participant on their knowledge of the crime that would not be known to an innocent person.If they react strongly to the guilty information, then proponents of the test believe that it is likely that they know facts relevant to the case.This administration is considered more valid by supporters of the test because it contains many safeguards to avoid the risk of the administrator influencing the results.