Examlex
Which of the following is a specific movement or gesture intended to expand or clarify a word or idea?
Directional Null Hypothesis
A type of null hypothesis that specifies the direction of the difference or association between two variables.
Directional Alternative Hypothesis
Alternative hypothesis that indicates the direction of the change, difference, or relationship.
Non-directional Alternative Hypothesis
A hypothesis that predicts a change in the dependent variable but does not specify the direction of the change.
Non-directional Null Hypothesis
A hypothesis that specifies no expected direction of the observed effect, stating simply that there is no association between the variables under investigation.
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