Paranormal investigation techniques vary somewhat dependent upon what is being investigated. Many investigators choose to specialize in their own areas of expertise, enabling them to concentrate on one aspect of the paranormal.
For the Spirit World, paranormal investigation techniques involve electronic voice phenomena, as well as video recordings in empty rooms where activity has been noted. Much of the investigation takes place at night, usually overnight. This ensures quiet, little to no outside light or sound to interfere with the evidence collection, and less human interaction. Spirits tend to be more active at night, and truth be told, it is always spookier at night, when we can't see into the darkness. Recording equipment is set up, with the data collected to be analyzed the next morning for any unusual occurrences. Results may take several nights, but in a more active haunting, could happen within minutes of all the lights going out.
UFO and Alien related paranormal investigation techniques can take place at any time of the day or night. Some sightings happen in broad daylight in front of several witnesses, some occur in the wee hours of the morning and are noted by one or two people. When multiple sightings have taken place over a period of days, seen by multiple people in different locations, it is what is known as a "flap" for UFO activity. Conducting a paranormal investigation in these zones is easier than a singular sighting, since video and other equipment can be set up by the investigative team in advance.
In both cases, the evidence collection begins with the witness statements, and sadly most of them end there as well. Photographic, video and audio evidence may turn up something, but until it has all been scientifically analyzed, it is of little use as far as proof. There are hundreds of UFO and ghost photos available to be seen, however, many have been proven to be hoaxes, which in turn renders any others as dismissed by the mainstream media and scientific communities. Audio and video recordings have a tendency to be interpreted differently by those who hear or see it, with each having their own opinion as to what is really there.
Until the day when positive proof is found, paranormal investigations will be considered a hobby at best by the scientific community at large, with little to no respect for the efforts of the investigators given.
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