Physiological Markers Measured on a Polygraph (Lie Detector) Indicate Changes

question 8

Multiple Choice

Physiological markers measured on a polygraph (lie detector) indicate changes in stress or anxiety and, therefore, may also indicate lying. People show great differences in their physiological responses measured on polygraphs, and some people beat the machine. Taken together, this evidence suggests that:

• A) the polygraph should still be used in criminal investigations despite its problems.
• B) using physiological measures to detect lying is basically a good idea.
• C) investigators are often right to administer a polygraph test to suspects.
• D) the polygraph may not be a good way to accurately detect lying.

---

Definitions:

Surface-Level Diversity

Easily perceived differences between people, such as age/generation, race/ethnicity, gender, and ability.

Discrimination

Unjust or prejudicial treatment of different categories of people, especially on the grounds of race, age, or sex.

Stereotype

A fixed, overgeneralized belief about a particular group or class of people.

Glass Ceiling

An invisible barrier that limits one’s ability to progress to more senior positions.