Lie detectors are a common part of many television shows and movies. How does the traditional polygraph detector work? Do they appear to actually determine whether a person is lying or not?

What new approach to detecting lying is discussed in your textbook?

What will be an ideal response?

Answer: A good answer will include the following key points.
? Polygraphs measure respiration, blood pressure, and palm sweat—autonomic nervous system responses that should increase when someone lies.
? Most research indicates that, while polygraphs are good at measuring autonomic arousal, they are not a valid measure of lying.
? Some researchers a trying to develop a more accurate lie detection method using brain imaging technology. This idea is based on reports that regions of the frontal and parietal lobes are more active when a person is being deceptive.

Psychology

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Students who work at a job while in high school can gain personal benefits but at the expense of academic performance.

Answer the following statement true (T) or false (F)

Psychology

Discuss why historical evidence is not sufficient to establish a scientific principle. Why are controlled studies needed for social psychological theory and conclusions?

What will be an ideal response?

Psychology