A hypothesis is a tentative statement about the relationship between two or more variables. Learn more about the elements of a good hypothesis.
1 If not, typical out-of-pocket expenses consist of a laboratory copay of $10 to $30 per test. 2  For patients not covered by health insurance, STD tests done at a doctor's office usually cost $50 to $200 each, depending on the test.
Typical costs: Lie detector tests conducted by certified professionals typically cost $200-$2,000. The length of the test plays a factor in the price, with all-day tests on the high end of the range. Typical two-hour, single-issue polygraph exams are generally $200-$800.