Assertion A: Polygraph examination, also known as lie detection, is a psycho-physiological mode of the detection of deception in crime investigation process.
Reason R: Polygraph examination does not require the consent of the subject being investigated.
In the light of the above statements, choose the most appropriate answer from the options given below
Assertion A Analysis: Polygraph as Psycho-physiological Tool
Assertion A correctly states that the polygraph examination, often called a lie detector test, functions as a psycho-physiological method for detecting deception during criminal investigations. It works by monitoring and recording several physiological indicators, such as:
- Heart rate
- Blood pressure
- Respiration rate
- Galvanic skin response (skin conductivity)
These physiological changes are believed to correlate with a person's emotional state and potential deception when answering specific questions.
Reason R Analysis: Consent Requirement
Reason R claims that polygraph examinations do not require the subject's consent. This statement is incorrect. In most legal and ethical frameworks, obtaining informed consent from the individual being investigated is a prerequisite for conducting a polygraph test. The subject must typically agree voluntarily to undergo the examination.
Conclusion
Based on the analysis:
- Assertion A is correct because the polygraph is indeed a psycho-physiological deception detection technique.
- Reason R is incorrect because subject consent is generally required for polygraph examinations.
Therefore, the most appropriate answer is that Assertion A is correct, but Reason R is not correct.
Correct Option: C. A is correct but R is not correct.
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