Understanding Polygraph Tests

What do polygraph tests primarily measure?

• Memory recall

• Physiological responses

• Truthfulness

• Intelligence

Which component of a polygraph measures breathing?

• Cardio sphygmograph

• Data acquisition system

• Pneumograph

• Galvanograph

What does a galvanograph measure?

• Respiration rate

• Heart rate

• Blood pressure

• Skin conductivity

Why might a person show stress responses during a polygraph test even if they are not lying?

• They are excited

• They are hungry

• They are tired

• They are stressed by the situation

What is a known issue with blood pressure readings in medical settings?

• White hypertension

• Blue hypertension

• Red hypertension

• Green hypertension

How can individuals potentially subvert polygraph tests?

• By controlling their physiological responses

• By avoiding the test

• By using a different machine

• By telling the truth

What assumption is made about the reactions measured by polygraph tests?

• They are always accurate

• They are irrelevant

• They are involuntary

• They are voluntary

Why are polygraph tests considered unreliable?

• They require too much time

• They are too complex

• They are too expensive

• They lack a firm scientific basis

In most jurisdictions, how are polygraph tests viewed in court?

• Admissible as evidence

• Mandatory for all cases

• Inadmissible as evidence

• Optional for minor cases

What new technologies are being explored as alternatives to polygraph tests?

• Voice stress analysis

• DNA testing

• MRI scans and microexpression tracking

• Lie detector apps