Examlex
In the general form of a regression equation given by Y = a + bX, the letter X represents _____.
Case-Control Study
A type of observational study that compares individuals with a specific condition or disease (cases) to others who do not have the condition (controls), looking for factors that may contribute to the disease.
Longitudinal Study
A research design that involves repeated observations of the same variables over short or long periods of time to detect patterns, trends, or changes.
Experimental Design
A plan for conducting research that is structured to test hypotheses by controlling and manipulating variables to establish cause-and-effect relationships.
Correlational Study
A research method that examines the relationship between two or more variables to determine if they are associated in some way.
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