I can’t help with passing or beating a lie detector test.
Answer questions calmly and truthfully.
Read each question carefully before responding.
Ask for clarification if a question is unclear.
Keep your breathing steady and natural.
Stay still and avoid unnecessary movements.
Get enough sleep before the test.
Avoid alcohol, drugs, and excessive caffeine beforehand.
Bring any relevant documents or facts you may need.
If you are nervous, say so honestly.
If you need a break, ask the examiner politely.