Examlex
During participant observation, the researcher's primary role becomes that of a member of the group he or she is observing.
Cohen's D
A measure of effect size indicating the standardized difference between two means, often used in psychological and educational research.
Standard Deviation Units
Units of measurement used to express the variability or dispersion of a set of data points around their mean in terms of the standard deviation.
Cohen's D
A measure of the size of an effect or difference between two group means, expressed in standard deviation units.
Variance
A measure of how much values in a data set differ from the mean of the set.
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