CCDM Cheat Sheet 2026

The 30 highest-yield CCDM facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. What is the primary regulatory basis for requiring a Statistical Analysis Plan (SAP) to be finalized before database lock in a clinical trial? → To prevent post-hoc analysis decisions that could introduce bias into the trial results
2. When autocoding software suggests a MedDRA code for a verbatim adverse event term, what step must a trained coder take before accepting it? → Review the suggestion for clinical appropriateness before accepting
3. What is the role of metadata in clinical data management? → It provides context and information about the data for better use
4. What does NNT (Number Needed to Treat) measure in clinical research? → The number of patients who must be treated to prevent one additional adverse outcome
5. In SDTM, what is the --TESTCD variable used for? → A code representing the type of test or measurement collected
6. Under CDISC standards adopted by the FDA for electronic submissions, which standard governs the format of clinical trial data tabulations? → SDTM (Study Data Tabulation Model)
7. Which professional attribute is most valued in electronic data capture within the CCDM field? → Accountability and commitment to standards
8. What is a primary key in a clinical trial database table? → A unique identifier for each record within a table
9. Which scenario best describes a 'protocol deviation' that would be captured in an EDC system? → A subject misses a required study visit that falls within the protocol-specified window
10. Which type of data validation check would catch a subject age recorded as 250 years? → Range check
11. Which of the following best describes a 'critical data element' in clinical data management? → Data that directly affects subject safety assessments or primary efficacy endpoints
12. A CCDM candidate reviewing a coding audit finds that two coders assigned different MedDRA PTs to the same verbatim term. This represents a failure in: → Inter-rater coding consistency
13. What is the importance of clear data reporting in clinical research? → It ensures accurate communication of results and supports decision-making
14. In a blinded clinical trial, which role is typically permitted to access unblinded randomization data during the study? → The unblinded pharmacovigilance team for SAE causality assessment
15. Which risk management approach is MOST effective for CCDM professionals when evaluating potential workplace hazards? → Proactive hazard identification and assessment
16. In clinical data management, a RACI matrix is used primarily to: → Clarify who is Responsible, Accountable, Consulted, and Informed for each task
17. In CCDM preparation, which mathematical concept is foundational for problem-solving? → Understanding order of operations and algebraic reasoning
18. What is the role of a clinical data manager? → To manage the collection, validation, and storage of clinical data
19. A study team finds that the same adverse event is coded differently across two clinical sites. Which root cause is MOST likely? → Inconsistent application of coding dictionaries or versions
20. Which professional attribute is most valued in data collection methods within the CCDM field? → Accountability and commitment to standards
21. What is data monitoring in clinical trials? → It ensures data integrity and safety by detecting issues early
22. What is the purpose of a Q-Q (quantile-quantile) plot in clinical data analysis? → To assess whether a dataset follows a specified theoretical distribution such as normal
23. What is the value of continuing education in electronic data capture for CCDM professionals? → It keeps professionals current with evolving standards and practices
24. A project timeline shows that database lock is at risk due to a high number of outstanding queries. What is the BEST immediate project management response? → Convene an urgent query resolution task force with clear ownership and daily tracking
25. What is the term for the process of comparing data entered into the clinical database against the original source documents at the investigative site? → Source Data Verification (SDV)
26. In a dose-response study, which statistical model is most appropriate for evaluating a monotonic relationship between dose and a continuous outcome? → Linear trend test or regression
27. What CPT code range covers Evaluation and Management (E/M) services for outpatient office visits? → 99202-99215
28. Which approach best describes risk-based compliance management in the CCDM field? → Prioritizing resources based on risk severity and likelihood
29. In a crossover trial, what statistical test is most appropriate when comparing two continuous outcomes with normally distributed data? → Paired t-test
30. What is the role of quality assurance in clinical data management? → It ensures data accuracy and adherence to regulatory standards