A typical polygraph exam consists of three sections: pre-test, in-test, and post-test.

A.
True
B.
False

A. True

Galvanometers measure the skin's ability to conduct electricity. Why would this be relevant when determining whether a person is being truthful?

A.
If skin is conducting little electricity, it indicates that the person is cold, which would indicate deception.
B.
If skin is conducting little electricity, it indicates that the person is warm, which would indicate a fight or flight response, showing that the person is likely lying.
C.
The more skin is conducting electricity, the more water there is on the skin, and the water is coming from sweat which may indicate nervousness and therefore a lie.
D.
The less skin is conducting electricity, the less water there is on the skin, and the lack of water would point to dehydra

C. The more skin is conducting electricity, the more water there is on the skin, and the water is coming from sweat which may indicate nervousness and therefore a lie.

Which types of evidence would forensic linguistics be the MOST helpful with?

A.
DNA evidence
B.
an open container of alcohol in a car
C.
a registration for a weapon
D.
a ransom note

D. A ransom note

The Unabomber made and mailed homemade explosives all over the United States for more than 17 years, undetected. This is an example of what type of crime?

A.
white-collar
B.
disorganized crime
C.
low-stakes crime
D.
organized crime

B. Disorganized crime