Please answer the following questions:
Gender:
Male
Female
Age:
Under 10
11-20
21-30
31-40
41-50
51-60
Over 60
Have you ever visited, or even heard about, Mary King's Close in Edinburgh?
Definitely yes
Probably yes
Uncertain
Probably no
Definitely no
Do you believe in the existence of ghosts?
Is this the first time that you have taken part in this experiment?
Yes
No
