Which of the following research designs allows researchers to infer cause-and-effect associations between variables?

Name: Which of the following research designs allows researchers to infer cause-and-effect associations between variables?
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Experimental research designs allow researchers to infer cause-and-effect associations between variables because they involve manipulating one variable (the independent variable) and observing the effects on another variable (the dependent variable).

Which of the Following Research Designs Allows Researchers to Infer