Repeated measures ANOVA can refer to many different types of analysis. Specifically, this
vague term can refer to conventional tests of significance, one of three univariate solutions …

Examining the raw data is an essential first step before proceeding to statistical analysis.
Thereafter, two key sample statistics that may be calculated from a dataset are a measure of …

Randomised, controlled trials have been retracted after publication because of data
fabrication and inadequate ethical approval. Fabricated data have included baseline …

Background Randomization is the foundation of any clinical trial involving treatment
comparison. It helps mitigate selection bias, promotes similarity of treatment groups with …

Formulas for estimating sample sizes that are required to provide-specified power for
analysis of variance (ANOVA) tests of significance in a two-group repeated measurements …

The previous articles of the Statistical Round in the Korean Journal of Anesthesiology posed
a strong enquiry on the issue of null hypothesis significance testing (NHST). P values lie at …

Repeated measures data arise when the same characteristic is measured on each case or
subject at several times or under several conditions. There is a multitude of techniques …

Observational data are often readily available or less costly to obtain than conducting a
randomized controlled trial. With observational data, investigators may statistically evaluate …

In designing longitudinal studies, researchers must determine the number of subjects to
randomize based on the power to detect a clinically meaningful treatment difference and a …

Introduces the applications of repeated measures design processes with the popular IBM®
SPSS® software Repeated Measures Design for Empirical Researchers presents …