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Worksheets112 Reliable Witnesses (Polygraph) Quiz
Total questions: 5
Worksheet time: 3mins
Which physiological (or body function) change is NOT typically measured by a polygraph test?
Blood pressure
Respiratory rate
Skin conductance
Body temperature
What was the primary purpose of the experiment you performed in this activity to test polygraph validity?
To prove that polygraphs are always accurate
To identify potential sources of error in polygraph tests
To determine the best questions to ask during a polygraph
To train polygraph examiners
Which of the following is a limitation of polygraph tests?
They can only detect lies about serious crimes
They are inadmissible in all court cases
They can be affected by the subject's anxiety or nervousness
They require subjects to be under the influence of truth serum
In evaluating polygraph data, which of the following would be considered a sign of potential deception?
Lowering of respiratory rate (breaths per minute)
Consistent skin conductance (related to sweating)
Significant increase in heart rate
Normal blood pressure readings
What is a common criticism of using polygraph tests in criminal investigations?
They are too expensive to administer
They can produce false positives or false negatives
They take too long to complete
They can only be used on adults
