One App to Rule Them All: A One-Stop Calculator and Guide for 95 Effect-Size Variants for Two-Group Comparisons of Central Tendency, Variability, Overlap, Dominance, and Distributional Tails

Advances in Methods and Practices in Psychological Science, Volume 8, Issue 2, April-June 2025.
The prevalence of effect-size (ES) reporting has risen significantly, yet studies comparing two groups tend to rely exclusively on the Cohen’sdfamily of ESs. In this article, we aim to broaden the readers’ horizon of known ESs by introducing various ES …