Examlex
________ is a measure of construct validity that measures the extent to which the scale correlates positively with other measures of the same construct.
T-test
A statistical test used to compare the mean of two groups to see if there is a significant difference between them.
Null Hypothesis
The hypothesis that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.
Alpha
The threshold of probability at which the null hypothesis is rejected in statistical testing, often set at 0.05.
Statistical Significance
Indicates the likelihood that a result or relationship is caused by something other than mere chance.
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