Examlex
A BARS system focuses on:
Two Groups
In research, the division of subjects into two distinct categories for comparison, often used in experimental designs to evaluate the effect of treatments.
Two-Tailed Test
A statistical hypothesis test in which the area of interest or rejection region is in both tails of the probability distribution.
One-Tailed Test
A statistical hypothesis test in which the region of rejection is on only one side of the sampling distribution, testing for a direction-specific hypothesis.
Directional Hypothesis
A hypothesis that specifies the direction of the expected difference or relationship between two variables.
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