Same Difference? Understanding Variation in the Estimation of Effect Sizes from Educational Trials
(2016)
Journal Article
Xiao, Z., Higgins, S., & Kasim, A. (2016). Same Difference? Understanding Variation in the Estimation of Effect Sizes from Educational Trials. International Journal of Educational Research, 77, 1-14. https://doi.org/10.1016/j.ijer.2016.02.001
By applying four analytic models with comparable outcomes and covariates to a dataset of 20 outcomes from 17 educational trials, we found results closely matching in well-powered studies without serious implementation problems. The interventions and... Read More about Same Difference? Understanding Variation in the Estimation of Effect Sizes from Educational Trials.