CPI Evidence Collection & Analysis 2

Question 1

When analyzing audio recordings for EVP (Electronic Voice Phenomena), which frequency range is most commonly associated with captured paranormal voices?

Accepted Answer

200 Hz–1,500 Hz

Answer

EVP voices most often appear in the 200 Hz–1,500 Hz mid-range, which overlaps human speech frequencies.

Question 2

A paranormal investigator discovers a cold spot in a room. What is the first scientifically rigorous step before attributing it to paranormal activity?

Accepted Answer

Rule out natural causes such as drafts, vents, or poor insulation

Answer

Debunking natural explanations first is a foundational principle of credible paranormal investigation.

Question 3

Which type of camera setting is most recommended for capturing potential paranormal activity in near-total darkness?

Accepted Answer

Full-spectrum or infrared with wide aperture

Answer

Full-spectrum and infrared cameras capture light wavelengths invisible to the naked eye, making them ideal for dark environments.

Question 4

What does the term 'contamination of evidence' mean in a paranormal investigation context?

Accepted Answer

Introduction of non-paranormal factors that can explain or corrupt potential evidence

Answer

Contamination refers to anything mundane—noise, movement, equipment malfunction—that could falsely appear as paranormal evidence.

Question 5

When using a digital voice recorder for EVP capture, why should investigators avoid whispering?

Accepted Answer

Whispers can be misidentified as EVPs during review

Answer

Whispers are acoustically similar to EVP voices and can be mistakenly logged as paranormal audio evidence.

(CPI) Certified Paranormal Investigator Practice Test

(CPI) Certified Paranormal Investigator Practice Test

CPI Evidence Collection & Analysis 2