Efforts used to interfere with PDD testing for which the examinee has not prepared in advance. These types of countermeasures have been shown in laboratory studies to be ineffective. See: Honts & Amato (2002).
Efforts used to interfere with PDD testing for which the examinee has not prepared in advance. These types of countermeasures have been shown in laboratory studies to be ineffective. See: Honts & Amato (2002).