Sample size determination with a pilot study [PDF]
PLoS ONE, 2022 We analyse standard confidence intervals for the mean of a finite population, with a view to sample size determination. We first consider a standard method for sample size determination based on the assumption of knowledge of the population variance ...
Ben O’Neill
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Sample size determination in medical researches [PDF]
مجله علمی دانشگاه علوم پزشکی کردستان, 2020 Background and Aim: One of the problems of the researchers at the start of the research is the estimation of sample size and selection of an appropriate sample of the population. Small sample size can damage research credibility and lead to loss of money
Daem Roshani, Bijan Nouri, Masoud Moradi
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Sample size determination for Bayesian ANOVAs with informative hypotheses [PDF]
Frontiers in Psychology, 2022 Researchers can express their expectations with respect to the group means in an ANOVA model through equality and order constrained hypotheses. This paper introduces the R package SSDbain, which can be used to calculate the sample size required to ...
Qianrao Fu +2 more
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Sample size determination: A practical guide for health researchers [PDF]
Journal of General and Family Medicine, 2023 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 importance of sample size calculation and to provide considerations for ...
Alaa Althubaiti
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Sample size determination for point-of-care COVID-19 diagnostic tests: a Bayesian approach [PDF]
Diagnostic and Prognostic Research, 2023 Background In a pandemic setting, it is critical to evaluate and deploy accurate diagnostic tests rapidly. This relies heavily on the sample size chosen to assess the test accuracy (e.g.
S. Faye Williamson +3 more
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Sample size determination and power analysis using the G*Power software [PDF]
Journal of Educational Evaluation for Health Professions, 2021 Appropriate sample size calculation and power analysis have become major issues in research and publication processes. However, the complexity and difficulty of calculating sample size and power require broad statistical knowledge, there is a shortage of
Hyun Kang
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Adaptive sample size determination for the development of clinical prediction models [PDF]
Diagnostic and Prognostic Research, 2021 Background We suggest an adaptive sample size calculation method for developing clinical prediction models, in which model performance is monitored sequentially as new data comes in.
Evangelia Christodoulou +6 more
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Sample size determination for mediation analysis of longitudinal data [PDF]
BMC Medical Research Methodology, 2018 Background Sample size planning for longitudinal data is crucial when designing mediation studies because sufficient statistical power is not only required in grant applications and peer-reviewed publications, but is essential to reliable research ...
Haitao Pan +3 more
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Sample size determination for individual bioequivalence inference. [PDF]
PLoS ONE, 2014 Statistical criterion for evaluation of individual bioequivalence (IBE) between generic and innovative products often involves a function of the second moments of normal distributions.
Chieh Chiang, Chin-Fu Hsiao, Jen-Pei Liu
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Sample size determination for time-to-event endpoints in randomized selection trials with generalized exponential distribution [PDF]
HeliyonRandomized selection trials are frequently used to compare experimental treatments that have the potential to be beneficial, but they often do not include a control group.
Muhammad Hamza Akbar +3 more
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