Which Statement Best Describes Polygraphs

question 145

Multiple Choice

Which statement best describes polygraphs

• A) Polygraphs can detect lying with almost 100 percent accuracy. 
• B) Polygraphs can detect positive emotional states with a high degree of accuracy and negative emotional states with a low degree of accuracy. 
• C) Polygraphs can detect emotionality that accompanies lying some of the time, but with a high error rate. 
• D) Polygraphs cannot detect emotionality at all.

---

Definitions:

Pounds

A unit of weight in the imperial system, equivalent to 0.453592 kilograms.

Common Denominator

The shared multiple of the denominators of two or more fractions, allowing them to be compared or combined.

Sum

The result of adding two or more numbers or quantities together.

Product

The result of multiplying two or more quantities together.