Sažetak Calculating the sample size in scientific studies is one of the critical issues as
regards the scientific contribution of the study. The sample size critically affects the …

Sažetak The evidence based medicine paradigm demands scientific reliability, but modern
research seems to overlook it sometimes. The power analysis represents a way to show the …

This review basically provided a conceptual framework for sample size calculation in
epidemiologic studies with various designs and outcomes. The formula requirement of …

Although sample size calculations play an essential role in health research, published
research often fails to report sample size selection. This study aims to explain the …

Calculation of sample size is one of the important component of design of any research
including animal studies. If a researcher select less number of animals it may lead to missing …

Every clinical trial should be planned. This plan should include the objective of trial, primary
and secondary end-point, method of collecting data, sample to be included, sample size with …

Calculation of exact sample size is an important part of research design. It is very important
to understand that different study design need different method of sample size calculation …

Abstract Effect Sizes (ES) are an increasingly important index used toquantify the degree of
practical significanceof study results. This paper gives anintroduction to the computation …

Background In this article, we discuss the purpose of sample size calculation in clinical trials,
the need for it, and the methods by which it is accomplished. Study samples that are either …

Optimum sample size is an essential component of any research. The main purpose of the
sample size calculation is to determine the number of samples needed to detect significant …