The paper ‘Testing for Homogeneity in Meta-analysis I. The One-Parameter Case: Standardized Mean Difference’ is number 4 In the most accessed papers in Biometrics. Meta-analysis aims to combine the results from a number of similar studies in order to improve the quality of decisions. The Cochran’s Q test is routinely performed in every meta-analysis to see whether the studies to combine are homogeneous. Unfortunately, this test works well only when the original studies were based on...