Can polygraph tests be wrong?

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Tags

1. #indicate
2. #polygraph
3. #lying
4. #other
5. #rates
6. #honest
7. #people
8. #correct
9. #identifying
10. #tests
11. #capable
12. #chance
13. #greater
14. #controlled
15. #found
16. #words
17. #incorrectly
18. #studies
19. #generally
20. #correctly
21. #wrong
22. #sometimes