A judge is dismissing evidence based on a lie detector test. What can you conclude about her decision?
a. Her decision is wrong because lie detector tests are valid.
b. Her decision is correct because lie detector tests are only 99% accurate.
c. Her decision is correct because lie detector tests are not sufficiently valid to use as a basis for legal decisions.
d. Her decision is wrong because lie detector tests are far more reliable than other techniques for detecting deception, such as brain imaging.
Answer: C
Rationale: Most U.S. courts do not accept polygraph results as valid evidence.
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