and the extent to which there is evidence that covariance adjustment on a pretest, teacher certification, or demographic … minimum detectable effect sizes for several school-randomized designs with and without covariance adjustment … that covariance adjustment for a pretest or, to a lesser extent, teacher certification, has the potential to transform …

done closely to the definition of covariance adjustment techniques analysed in other articles. We also apply the Pitman …

A common procedure when combining two multivariate unbiased estimates (or forecasts) is the covariance adjustment …

A common procedure when combining two multivariate unbiased estimates (or forecasts) is the covariance adjustment …

done closely to the definition of covariance adjustment techniques analysed in other articles. We also apply the Pitman …

A common procedure when combining two multivariate unbiased estimates (or forecasts) is the covariance adjustment …

done closely to the definition of covariance adjustment techniques analysed in other articles. We also apply the Pitman …