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Even if no irrelevant questions are included in the mix, the technique you've described would most likely be scored in the same way as the relevant/irrelevant technique: the polygrapher looks for consistent, specific, and significant reactions to any of the relevant questions. If such reactions are observed to a particular question, then deception is inferred.
Augmenting reactions to a different pair of items during each chart collection would tend to diminish the liklihood that any one question would stand out more than others. However, behavioral countermeasures -- and having an innocuous explanation prepared in advance for any claimed "reactions" -- may well be enough to get one through.
In pre-employment screening, a question about marijuana usage would be a relevant one. It is highly irregular for a relevant question not to be reviewed during the pre-test phase. It is possible that a creative polygrapher in this department is using this question as a "control" stimulus. Alternatively, asking an unreviewed relevant question would be a simple way of rigging a polygraph examination against a particular applicant.
Posted by: officerbird Posted on: Oct 17th, 2004 at 9:31pm
I am getting ready to take a pre-employment poly for LE. I have read TLBTLD and found it very interesting. I have heard through the grapevine that the agency I am testing with asks the following questions:
Have you been honest regarding the following:
-employment -drug use -sexual past -education -training -financial -ommissions -use of marijuana -etc
I believe this might be a R/I test but it seems these are all relevent questions....am I right here?
Also, I heard that sometimes they may add the mj question in the end and not notifiy you in the pretest...would that then become a control question purely for stimulations purposes?
If this were a R/I test and I were to use radom CMs would that be effective??? Any help would be greatly appreciated!