A: The most accurate test which can be conducted is the one-question (single issue) test. However, most clients are not satisfied with having only one issue resolved, so we offer a multi-question test in which the examiner can cover three (3) relevant questions during a single examination, as long as these questions are related to one another. These three questions will take one to three hours to cover effectively due to the extensive test process required. The examiner will design and ask a number of other questions during the exam for calibration and scoring purposes. If more than 3 questions must be covered, another exam must be designed and conducted following the first one. This usually adds to the time and cost involved. Additionally, an effect called "anti-climax dampening" makes test results less reliable with an increase in the number of relevant test questions. It is the client's choice whether to have a single-question test or a multi-issue test, considering the slight difference in accuracy . Finally, a healthy individual can only produce readable polygraph charts for a limited period of time. After this time has expired, it is impossible to generate a conclusive polygraph test and any further testing must be scheduled for a different day.