AbstractWe derive an estimator of the standardized value which, under the standard assumptions of normality and homoscedasticity, is more efficient than the established (asymptotically efficient) estimator, and discuss its gains for small samples.Keywordsefficiencymean squared errorstandardized valueGet full access to this articleView all access options for this article.Get accessReferences1. Hedges L. V. (2007). Effect sizes in cluster-randomized designs. Journal of Educational and Behavioral Statistics, 32, 341–370.2. Longford N. T. (2009). Inference with the lognormal distribution. Journal of Statistical Planning and Inference, 139, 2329–2340.
