With the polygraph:

a. the voice stress analyzer is more valid than the polygraph.
b. the polygraph is more valid than the voice stress analyzer.
c. the voice stress analyzer and the polygraph used together result in valid lie detection.
d. at present there is no perfect way to detect lying.


Answer d % correct 85 a= 3 b= 0 c= 12 d= 85 r = .31

Psychology

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