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Direct linkAloe, Ariel M.; Thompson, Christopher G.; Liu, Zhijiang; Lin, Lifeng – Journal of Experimental Education, 2022
The distribution of the standardized mean difference is well understood. However, in many situations, researchers need to estimate an effect size to represent the relationship between a continuous outcome and a dichotomous grouping variable, adjusting for the effect of a covariate (or a set of covariates). Typically, this adjustment takes place…
Descriptors: Effect Size, Meta Analysis, Quasiexperimental Design, Regression (Statistics)
