The _____ is a machine that monitors changes in the body and attempts to determine whether someone is lying.
Understand the Problem
The question asks to identify a machine that monitors changes in the body and determines if someone is lying. The options provided include various types of machines, prompting the responder to select the correct one.
Answer
polygraph
The final answer is polygraph.
Answer for screen readers
The final answer is polygraph.
More Information
A polygraph measures physiological responses such as blood pressure, pulse, respiration, and skin conductivity to detect deception.
Tips
A common mistake is confusing a polygraph with devices that measure other specific physiological functions, like an electromyograph for muscles.
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