Statistical Power and Sample Size Determination in Studies
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Description
This exam evaluates understanding of statistical power and sample size determination, focusing on critical concepts necessary for effective study design in epidemiology.
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Exam Details
Duration: 35 minutes
Prerequisites: Basic Statistics, Introduction To Epidemiological Research
Key Topics
- Statistical Power
- Sample Size Determination
- Effect Sizes
- Power Analysis
Learning Outcomes
- Explain Importance Of Statistical Power
- Discuss Sample Size Techniques
- Articulate Effect Size Relevance
Full Description
This exam centers around the concepts of statistical power and sample size determination critical for designing epidemiological studies. Essential topics include power analysis, effect sizes, and sample stratification techniques.
Understanding these concepts is vital for ensuring studies are adequately powered to detect clinically significant effects. Proper sample size determination contributes to the validity and credibility of research findings.
The exam will test candidates' ability to articulate the importance of statistical power in study design and to explain methods for calculating appropriate sample sizes.
Candidates may be asked to analyze scenarios and propose sample sizes based on specified study parameters.
Sample Questions
- What factors influence the determination of sample size in epidemiological studies?
- How do you perform a power analysis for a given study design?
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