Data Quality Management and Query Resolution: Summary and Assessment
Knowledge Check
Quiz
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Knowledge Check
Quiz
Knowledge Check
Answer these questions to check understanding.
What does data quality mean in clinical research?
- A. Data are fit for their intended use
- B. All fields are free text
- C. Data are entered only after publication
- D. Only the statistician reviews data
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Answer:
Which data quality dimension refers to whether expected data are present?
- A. Completeness
- B. Randomization
- C. Blinding
- D. Encryption
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Answer:
What is a data query?
- A. A request for clarification or correction of a data issue
- B. A final publication table
- C. A participant recruitment flyer
- D. A replacement for source documents
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Answer:
Which query is best written?
- A. "Change the date to 2026-03-01."
- B. "This is wrong."
- C. "Discharge date is before admission date. Please verify both dates against source documents and correct or clarify."
- D. "You made another mistake."
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What is query aging?
- A. The amount of time a query remains unresolved
- B. The participant's age at enrollment
- C. The number of years since database design
- D. The age of the study protocol
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What is central monitoring?
- A. Reviewing study data and quality indicators from a central location
- B. Entering all data on paper
- C. Removing all site communication
- D. Locking the database before data collection
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What is the main idea behind risk-based monitoring?
- A. Focus monitoring on critical data, critical processes, and areas of greatest risk
- B. Stop monitoring entirely
- C. Verify only optional variables
- D. Avoid documenting monitoring decisions
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Answer:
What does database lock usually indicate?
- A. The dataset is considered final for analysis and changes are controlled
- B. Data collection is just beginning
- C. All source documents can be destroyed
- D. Queries no longer need documentation
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