Although causality is difficult to determine,which scientific method most strongly yields evidence for cause and effect relationships?

Question

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Experimental design is the scientific method that most strongly yields evidence for cause and effect relationships because it involves manipulating an independent variable to see its effect on a dependent variable while controlling for other variables that may affect the outcome. This allows researchers to establish a cause-and-effect relationship between variables. Correlational studies, ex post facto designs, and descriptive research can provide valuable information, but they cannot establish causal relationships as definitively as experimental designs.

Although Causality Is Difficult to Determine,which Scientific Method Most Strongly