Examlex
Construct validity is established when the measured items are conceptually consistent with a construct definition.
Hypothesis Testing
A statistical method used to determine whether there is enough evidence in a sample of data to infer that a certain condition holds for the entire population.
Standard Deviation
A statistical measure that quantifies the dispersion or variability of a set of numerical data from its mean, indicating how spread out the data points are.
Measure of Variability
A statistical indicator that describes the degree to which scores in a dataset are spread out or dispersed.
Inclusive Range
A measure of variability calculated by subtracting the lowest score in a distribution from the highest score in the distribution and adding 1.
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