Data Logging & Environmental Baseline Flashcards
7 cards from real CPI practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Data Logging & Environmental Baseline flashcards as text
An investigator wants to correlate EMF data with audio recordings for potential EVP analysis. Which practice best supports this goal?
Answer: Synchronize data logger timestamps with audio recorder timestamps using a common time reference
Time-synchronizing all recording devices to a common reference (e.g., a network time server or a verbal time stamp) allows precise correlation between data streams during analysis.
What does 'dead zone' mapping refer to in paranormal investigation data logging?
Answer: Charting areas with consistent, featureless baseline readings to identify contrast with anomalous zones
Dead zone mapping identifies areas of environmental stability, providing a reference contrast for zones where anomalies occur.
A barometric pressure data logger shows a 0.08 inHg drop over two hours during an indoor investigation. What is the most likely explanation?
Answer: A passing weather system or changes in HVAC pressure differentials
Small indoor barometric fluctuations are commonly caused by weather system movement or changes in HVAC operation rather than paranormal phenomena.
Why should investigators record the number of people present in each room when logging environmental data?
Answer: Human bodies generate heat, CO2, and EMF, which can create false environmental anomalies
Human presence introduces heat, moisture, carbon dioxide, and minor EMF from electronics, all of which can produce readings that mimic environmental anomalies.
Which of the following best describes a 'control room' in the context of a paranormal investigation?
Answer: A designated space where investigators monitor live data feeds and serve as a baseline reference area
A control room houses monitoring equipment and provides a stable environmental reference point because investigator activity there is constant and known.
When logging relative humidity, an investigator notices values exceeding 80% in a basement. Why is this significant for data integrity?
Answer: Excessive humidity can damage sensitive equipment and cause electrical shorts that generate false EMF readings
High humidity can cause condensation on equipment sensors and circuit boards, potentially creating spurious electrical readings that must be flagged in the data record.
An investigator reviews a night's data log and notices CO2 levels rose steadily from 400 ppm to 1,100 ppm over four hours. What is the most probable cause?
Answer: Accumulation of exhaled CO2 from investigators in a poorly ventilated space
Human respiration releases CO2, and in sealed or low-ventilation environments levels naturally accumulate over time as the investigation proceeds.