Main effect of hot weather on polygraph exams: dehydration.
Many come in for testing on hot days, dehydrated. No gsr/eda.
Be sure to instruct examinees to drink plenty of water in the two hours prior to testing.
Polygraph and lie-detection information for the public
and the profession from
Polygraph Examiners Of America.
www.PEOA.us and 818-883-6969