J. Michael Krivyanski In the following viewpoint, J. Michael Krivyanski discusses the techniques that researchers of the paranormal use to investigate ghost phenomena. In addition to collecting historical information about sites in question, writes Krivyanski, ghost investigators use various cameras, electromagnetic field detectors, thermal scanners, and tape recorders to gather data associated with a haunting. According to the author, ghost researchers have recorded unusual magnetic fields, “cold spots” in rooms, unexplained sounds, floating orbs, and other anomalous phenomena at haunted locales that seem to provide evidence that ghosts exist. Krivyanski is a freelance writer residing in Allison Park, Pennsylvania.

As you read, consider the following questions:

1. According to researcher Sherry Higgins, quoted by the author, what are some examples of electronic voice phenomena?
2. What is ecto-mist, according to Krivyanski?
3. Why is it difficult...