CPI Study Guide 2026
Everything you need to pass the CPI exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 CPI Exam Format at a Glance
📚 CPI Topics to Study (69)
✍️ Sample CPI Questions & Answers
1. A 'control recording' made outside the active investigation area is used primarily to:
A control recording made in a neutral location captures the ambient sound profile of typical environmental conditions, allowing reviewers to identify what is 'normal' versus anomalous.
2. Which philosopher is most associated with early systematic documentation of apparition cases in the 19th century through the Society for Psychical Research?
Frederic Myers co-founded the SPR and authored 'Human Personality and Its Survival of Bodily Death,' systematically cataloging apparition cases.
3. An investigator discovers that a full-spectrum image shows a repeating grid pattern of bright dots. What is the MOST likely technical cause?
Dead or stuck pixels are sensor defects that consistently appear as fixed bright or colored dots in the same location across every image taken with that camera.
4. What is 'pareidolia' and why is it a critical concept for paranormal investigators analyzing photographic evidence?
Pareidolia causes humans to see meaningful images such as faces or figures in random patterns, so investigators must recognize this bias when reviewing photos for anomalies.
5. Why should environmental conditions be logged during evidence review?
Environmental logs provide context and help explain or rule out natural causes for anomalies.
6. Why is using a baseline reading important before an investigation?
Baseline readings help investigators differentiate between normal environmental conditions and anomalies during the investigation.