What’s the difference between the mean and the median, and when should you use each in your research? This article explains how to choose the right measure for your data — and why Data Investigator is your trusted expert in statistical analysis and research consulting for over 15 years.

ANCOVA (Analysis of Covariance) is a statistical technique used to analyze the differences in the dependent variable across multiple groups of an independent variable while controlling for the effects of one or more covariates that might influence the dependent variable.

เWhen group means differ but ANOVA or T-Test results show no statistical significance, don’t panic! This article explains possible causes and practical solutions.