Examlex
The three-schema approach includes which of the following schemas?
Experimental Research
A research method involving the manipulation of variables to determine cause-and-effect relationships.
Survey
A research method that involves collecting data from a sample of individuals through their responses to questions, aimed at gathering information about attitudes, behaviors, or characteristics.
Correlational Research
A type of non-experimental research method in which a researcher measures two variables, understands and assesses the statistical relationship between them without any causal assumption.
Independent Variables
Factors in an experiment that are deliberately altered to test their impact on the variables being measured.
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