Sample size calculation in clinical research
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View abstract on PubMed
Summary
This summary is machine-generated.Calculating the right sample size is crucial for reliable and feasible research. This article explains the core principles for determining sample size in various study designs.
Area Of Science
- Biostatistics
- Research Methodology
Background
- Sample size determination is fundamental to robust research design.
- Inadequate sample sizes can compromise study reliability and feasibility.
Purpose Of The Study
- To elucidate the principles of sample size calculation.
- To guide researchers in selecting appropriate sample sizes for diverse study types.
Main Methods
- Review of fundamental statistical principles for sample size estimation.
- Discussion of factors influencing sample size in different research designs.
Main Results
- Understanding key statistical concepts is vital for accurate sample size calculation.
- The approach to sample size varies significantly across different research methodologies.
Conclusions
- Proper sample size calculation enhances research credibility and resource optimization.
- Adherence to sample size principles ensures the validity and generalizability of study findings.
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