A fascinating analysis. Anecdotal, of course, as a controlled double-blind test is hard to do for in-person interviews on behalf of a single person, but this presents some interesting possibilities for further research, along the lines of these:

http://www.nber.org/digest/sep03/w9873.html http://www.pnas.org/content/early/2012/09/14/1211286109#aff-... http://mpra.ub.uni-muenchen.de/49392/2/MPRA_paper_49392.pdf