A main difference between the Control Question Test (CQT) and the Concealed Knowledge Test (CKT) is that the CQT is designed to detect lying while the CKT is not.

Question

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The Control Question Test (CQT) is designed to detect deception by comparing physiological responses to control and relevant questions, while the Concealed Knowledge Test (CKT) aims to determine if a person recognizes information related to a crime, not necessarily if they are lying.

A Main Difference Between the Control Question Test (CQT) and the Concealed