Researchers in Germany and Australia have created a simple but powerful tool to detect nanoplastics—tiny, invisible particles ...

NASA officials will share details about a new finding connected to a unique sample the Perseverance rover found on Mars.The ...

A recent study demonstrated how analytical techniques can be used to differentiate between different types of whiskey.

The HHS secretary promised to find the cause of autism. Then he fired federal scientists trying to do just that.

An appropriate sample renders the research more efficient: Data generated are reliable, resource investment is as limited as possible, while conforming to ethical principles. The use of sample size ...

Sample size calculation for trial design Sample size calculations arise in planning a study. It is one of the most important aspects of any design since it drives study timelines and the cost of ...

Clinical Trial related calculation: descriptive statistics, power and sample size calculation, randomization.

Considering the importance of sample size, its determination and justification in all kinds of epidemiological or medical research studies, we propose simple and non-technical explanation to the ...

Charan, J. and Biswas, T. (2013) How to Calculate Sample Size for Different Study Designs in Medical Research Indian Journal of Psychological Medicine, 35, 121-126.

In research, sample size is crucial in obtaining accurate results and making reliable conclusions. An appropriate sample size ensures that the study has sufficient statistical power to detect ...

Sample size calculation is a crucial step in any research or observation study. It helps to determine the number of subjects required to achieve desired accuracy, power, and precision in our results.