Polygraph indicate that the polygraph is neither scientifically valid nor especially effective beyond its ability to generate admissions". Despite the NAS finding of a "high rate of false positives," failures to expose individuals such as Aldrich Ames and Larry Wu-Tai Chin, and other inabilities to show a scientific justification for the use of the polygraph, it continues to be employed. Several countermeasures designed to pass polygraph tests have been described. Asked how he passed the polygraph test, Central Intelligence Agency officer turned KGB mole Aldrich Ames explained that he sought advice from his Soviet handler and received the simple instruction to:
Ye Jacobites by Name a collection of Scottish songs entitled "Personal Choice" by Ewan MacColl. The tune is taken from "My Love's in Germany" by Hector Macneill. This is the version in Johnson's, Hogg's and MacColl's collections: <poem> Ye Jacobites by name, give an ear, give an ear, Ye Jacobites by name, give an ear, Ye Jacobites by name, Your fautes I will proclaim, Your doctrines I maun blame, you shall hear, you shall hear Your doctrines I maun blame, you shall hear. What is Right, and What is Wrang, by the law, by the law? What is Right and what is Wrang by