Standard Deviation and Standard Error – What is the Difference?

When studying results of scientific publications one usually comes across standard deviations (SD) and standard errors (SE). However, even both measures are widely used the difference between them is not always clear to the readers. This article aims to clarify some important points and to provide a deeper understanding of SD and SE.

By |May 27th, 2019|Categories: Biostatistics|Tags: , |

What to consider when planning the sample size for a non-interventional study

The determination of an "adequate" sample size is an essential part of the statistical planning process. Depending on your type of non-interventional study design and your specific study objectives, there are different approaches for the planning of your sample size [...]

By |September 20th, 2017|Categories: Biostatistics, Study Design|Tags: , , , |