Examlex
In testing a hypothesis about a population variance, the chi-square test is fairly robust to the assumption the population is normally distributed.
Construct Validity
The degree to which a test or instrument accurately measures the theoretical construct or trait it is intended to measure.
Predictive Validity
The construct validity of a measure is assessed by examining the ability of the measure to predict a future behavior.
Discriminant Validity
The extent to which a concept differs from other concepts that are similar, ensuring that the measure is not reflecting other variables.
Convergent Validity
The degree to which two measures of constructs that theoretically should be related, are in fact related.
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