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A computer program for calculation of sample size

R Raveendran1

  • 1Department of Pharmacology, Jawaharlal Institute of Post-graduate Medical Education and Research, Pondicherry

Indian Journal of Physiology and Pharmacology
|October 1, 1996
PubMed
Summary
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Determining the correct sample size is crucial for study validity. This study introduces a computer program to simplify sample size calculations for studies utilizing the Student

Area of Science:

  • Biostatistics
  • Research Methodology

Background:

  • Accurate sample size determination is essential for the statistical validity and reliability of research findings.
  • Various statistical formulas exist for sample size calculation, tailored to different study designs and scenarios.
  • Complexity in these calculations can be a barrier to rigorous study planning.

Purpose of the Study:

  • To present a user-friendly computer program designed to simplify sample size calculations.
  • To specifically address the needs of studies employing the Student's t-test.
  • To reduce the complexity and potential for error in determining appropriate sample sizes.

Main Methods:

  • Development of a dedicated computer program.
  • Implementation of established statistical formulas for sample size calculation.

Related Experiment Videos

  • Focus on algorithms relevant to Student's t-test applications.

    • Main Results:

    • A functional computer program is available for calculating sample sizes.
    • The program streamlines the process for studies using the Student's t-test.
    • Demonstrated ease of use and reduced computational complexity.

    Conclusions:

    • The developed computer program effectively simplifies sample size determination for Student's t-test studies.
    • Utilizing this program can enhance the accuracy and efficiency of research planning.
    • Promotes more robust study designs through accessible sample size calculations.