Final answer:
The Control Question Test is a technique used in polygraph testing to determine if a person is being truthful or deceptive. It involves asking relevant questions and control questions to elicit physiological responses that can indicate deception.
Step-by-step explanation:
The Control Question Test is a technique used in polygraph testing to determine if a person is being truthful or deceptive. In this test, the individual is asked two types of questions: relevant questions that pertain to the specific issue being investigated, and control questions that are unrelated but designed to elicit a physiological response similar to that of a guilty person. The examiner compares the physiological responses between the relevant and control questions to identify signs of deception.