It is best not to lie. The increased stress you carry from even knowing beforehand that you are going to lie will count against you. Rather disclose
and be regarded as forthright and honest. You cannot beat a VSA lie detector test.
While these tests are not infallible, they are a reliable indicator of deception.
There is a means to provide a favourable 'score' for yourself, but only with older technology vsa that does not incorporate audible answering cues.
You can read more about new automated avsa pro 1,8a on website polyvsa.co.za