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Which of the following statements is true? none of the options Correlational designs cannot establish causal...

Which of the following statements is true?

none of the options

Correlational designs cannot establish causal relationships    

Experimental designs do not manipulate an IV

Correlational designs manipulate an IV

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Correct option is:

Correlational designs cannot establish causal relationships.

As,correlation does not mean causation.We need to conduct experiments to establish casual relationship.

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