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What are the long-term consequences associated with the use of cocaine?
Double-Blind Procedure
A research or testing methodology in which both the participants and the experimenters are unaware of who is receiving a specific treatment, to eliminate bias.
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.
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