Over the years I have been asked if I have had experiences during reenactments, the answer is YES! If you are in a building from the 1770's and wearing the proper colonial attire at a haunted locations, you are more likely to experience a spirit from that period than if you were wearing blue jeans and a t-shirt. I believe they see a connection.
I think when reenactors are dressed to whatever period the spirit is from, the spirit or host may be more inclined to materialize or interact then when someone is wearing modern day attire. I have had dozens experiences when in period clothing, it all depends on where you are and the spirits you are dealing with.
Happy Hauntings,
~Jamie Pearce
Founder of Historic Haunts Investigations