Examlex
The middle level within a category hierarchy is called a _____ level.
Independent Variable
A variable that is intentionally changed by the researcher to examine its impact on the dependent variable.
Type I Error
A statistical error that occurs when a true null hypothesis is incorrectly rejected, falsely indicating a significant effect.
Type II Error
The mistake of failing to reject a null hypothesis when it is actually false, leading to a false negative conclusion.
Statistical Tests
Procedures used in statistics to determine whether hypotheses about the distribution of data can be rejected, based on sample data.
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