Top 30
Prep plan
Updated weekly · Last refresh Aug 30

PSI CRO Research Analyst Interview Questions

The questions to prepare for a PSI CRO Research Analyst interview. Questions from real interview reports rank first. Updated weekly.

30questions
~4htotal time
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1
Statistics & ProbabilityStart here. 5 questions · ~40 min
Resolving Discrepancies Between Data SourcesMedium

Tests root-cause analysis and reconciliation skills across clinical data streams and systems.

Hypothesis TestingCausal InferenceData WranglingPSI CRO
Designing a New Clinical TrialHard

Tests end-to-end thinking about objectives, endpoints, power, and feasibility for clinical studies.

ExperimentationHypothesis TestingSample SizePSI CRO
Sample Size Calculation SignificanceMedium

Tests understanding of power, effect size, and study design tradeoffs for reliable clinical conclusions.

ExperimentationPower AnalysisSample SizePSI CRO
Handling Inconsistent Trial DataMedium

Tests your ability to diagnose data issues and apply appropriate statistical and data quality checks.

Hypothesis TestingCausal InferenceData WranglingPSI CRO
Clinical Research Statistical MethodsEasy

Tests breadth of statistical techniques used to analyze clinical trial data.

DistributionsHypothesis TestingStatistical SignificancePSI CRO
2
Behavioral & Leadership23 questions · ~184 min
Owning Data Readiness Before AnalysisEasy

Tests ownership of data quality, validation discipline, and communication of analysis risks before making business recommendations.

Data Qualitypreparationattention to detailPSI CRO
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3
More topics2 questions · ~16 min
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 30 questions plus 3 hands-on drills to finish this plan.