Would a double Blind scientific method be useful to determine if Ghosts exist?

The double blind scientific method is where neither the tester or the observer know anything about the items tested and therefore no bias can be introduced to the experiment. Could the same method be applied to ghost investigation where nether the investigator or the people with them know anything about the... show more The double blind scientific method is where neither the tester or the observer know anything about the items tested and therefore no bias can be introduced to the experiment.

Could the same method be applied to ghost investigation where nether the investigator or the people with them know anything about the premises before the event? Would this constitute proof if research done later matches what was experienced?
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