Examlex
Why should minority and poor children only be assessed using valid instruments?
Pooled Standard Deviation
A method for calculating the overall standard deviation from multiple samples or groups, combining variances to assess overall variability.
Cohen's D
A measure of the standardized difference between two means, commonly used in the context of effect size in statistics.
Effect Size
A quantitative measure of the magnitude of the difference between groups or the size of a relationship between variables.
Analysis of Variance
Analysis of variance (ANOVA) is a statistical method used to compare the means of three or more groups to determine if there are significant differences between them.
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