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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Susan refuses to have her daughter Zoe vaccinated against any of the common childhood diseases because Susan is afraid that vaccines can cause autism. What is the position of your text?

a. Susan is right in saying that vaccines have been found to cause autism b. Susan's concerns are unwarranted because the research study suggesting that childhood vaccinations cause autism has been proven to be fraudulent. c. The controversy regarding vaccinations and the development of autism spectrum disorder has not been well documented. d. The research on this matter has not been conclusive; however, the FDA believes the vaccines are safe.

Psychology

Why is categorization an important process in memory?

What will be an ideal response?

Psychology

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

Freud is credited with finding the specialty known as transpersonal psychology in 1969.

Psychology

Predictive validity is a type of ______ validity

a. temporal c. construct b. content d. criterion

Psychology