Research Methods & Evidence-Based Practice Flashcards
7 cards from real Radiation Health and Safety Test practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Research Methods & Evidence-Based Practice flashcards as text
In the PICO framework for forming a clinical question, the letter P stands for:
Answer: Patient, population, or problem
PICO stands for Patient/Population/Problem, Intervention, Comparison, Outcome.
Diagnostic reference levels are commonly set at which point of surveyed dose distributions?
Answer: 75th percentile
DRLs are typically set at the 75th percentile of dose survey data to flag unusually high doses.
What is the main purpose of peer review before publication?
Answer: To have independent experts evaluate quality and validity
Peer review has independent experts assess methodology and conclusions before publication.
Enrolling only volunteers who are healthier than the general population is an example of:
Answer: Selection bias
Selection bias arises when study participants differ systematically from the target population.
Cases recalling past exposures more completely than controls is called:
Answer: Recall bias
Recall bias is differential memory accuracy between groups, common in case-control studies.
Blinding participants and investigators in a trial primarily helps to:
Answer: Reduce bias in outcome assessment and reporting
Blinding prevents expectations from influencing behavior and outcome measurement.
What distinguishes a systematic review from a narrative review?
Answer: It uses an explicit, reproducible search and selection method
Systematic reviews follow predefined, reproducible methods to find and appraise studies.
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