Data Analysis & Reporting Flashcards
7 cards from real DRE 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 Analysis & Reporting flashcards as text
What is the primary purpose of maintaining a DRE case log or tracking database at the agency level?
Answer: To identify drug trends, evaluate training needs, and support resource allocation
Agency-level DRE databases aggregate evaluation data to identify substance trends, measure program effectiveness, and guide policy decisions.
During data review, a supervisor notices that a DRE officer's evaluations consistently produce no opinion on drug category. What does this pattern MOST likely indicate?
Answer: Possible training deficiency or incomplete evaluations
Consistent failure to render an opinion suggests the officer may need remedial training or is not completing evaluations thoroughly.
A DRE report shows horizontal gaze nystagmus (HGN) onset before 45 degrees but the officer opined CNS stimulant impairment. Why is this report data problematic?
Answer: HGN is a primary indicator of CNS depressants or inhalants, not stimulants
Early HGN onset is associated with CNS depressants, dissociative anesthetics, and inhalants — its presence in a stimulant opinion creates an internal inconsistency.
When a DRE officer submits a urine sample for toxicological analysis, which information is MOST critical to include on the chain of custody form?
Answer: Date, time, collector identity, and seal integrity documentation
Chain of custody requires documenting who collected the sample, when, and that integrity seals were intact to ensure the sample is legally defensible.
In DRE data analysis, a 'false positive' evaluation occurs when:
Answer: The officer opines drug impairment but toxicology is negative
A false positive in DRE evaluation means the officer concluded drug impairment was present but toxicological analysis found no impairing substance.
Which document type provides the legal foundation for a DRE officer to request a blood or urine sample from a subject who has not been arrested?
Answer: Search warrant or implied consent advisement
Biological sample collection requires either the subject's informed consent under implied consent laws or a judicially issued search warrant.
An analyst reviewing statewide DRE data notices a 40% increase in cannabis category opinions over 18 months. What additional data would BEST contextualize this finding?
Answer: Total number of DREs conducted and regional population changes
Controlling for the total evaluation volume and population shifts prevents misinterpreting increased raw numbers as a true prevalence increase.