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Sammy was brought to the hospital because he had been exhibiting some strange behaviors and recently stated he had been hearing voices.When the doctor met him,Sammy was talking in nonsensical sentences and had a very hard time following the doctor's simple directions.In addition,his hair was uncombed,and he wore dirty,mismatching clothes.The doctor took notes about all these details of Sammy's behavior and appearance.The doctor was performing:
Research Hypothesis
A specific, testable prediction about the expected outcome in a study, often indicating a predicted relationship between variables.
Nondirect Relationship
A relationship between two variables where changes in one variable do not lead to consistent and predictable changes in another variable directly.
One-tailed
A hypothesis test where the area of interest is only on one side of the sampling distribution, indicating either a greater-than or less-than direction but not both.
Two-tailed
A type of statistical test that considers both directions of a possible effect, looking for deviations from a null hypothesis in two opposite directions.
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