WONDER #678: Can You Fool a Lie Detector?
Question 1 of 3
This Wonder was mostly about...
- how to build your own lie detector test.
- why honesty can be difficult sometimes.
- the inventor of the polygraph machine.
- how polygraph machines work and strategies people have used to fool them.
Question 2 of 3
Which of these is NOT measured by a polygraph machine, according to this Wonder?
- Body temperature
- Heart rate
- Blood pressure
- Skin conductivity
Question 3 of 3
During a polygraph test, the examiner asks __________ questions to set a baseline reading.
Check your answers online at https://wonderopolis.org/index.php/wonder/Can-You-Fool-a-Lie-Detector.