Dating 1800s house
EMF's that move (through walls, around a room, or up-and-down stairs) are very good indicators of paranormal activity.
You can test for paranormal activity by capturing EVP audio recordings.
She gets mental pictures and can tell whether a ghost is male/female, child/adult, etc.
I had a strange experience once while living in an old two story dwelling.
There were also two other occupants of the house who at the time of the occurence were at work.
The encounter came when I exited my room headed for the bathroom across the large open area.