We all know that the Paranormal Activity movies guarantee you a good jump or twelve, but just how much poltergeist-y goodness do you really get in comparison to other spooky horrors?
This info/scarographic uses proper science * to prove why Paranormal Activity 4 has more scares per second than its competitors.
For more malevolent maths, check out the infographic below
(and click on it for a higher res version)
(*not actual science)