Asked by phia

Which is the best fertilizer for Mr. Jimenez’ backyard grass? Select the type of study most appropriate to the question.

A. Experimental
B. Experimental blinded
C. Case-controlled observational
D. Observational

My answer is C

10 years ago

Answered by PsyDAG

Disagree.

10 years ago

Answered by Tonya

I believe it is B

9 years ago

Answered by Angela

I believe it's B

9 years ago

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Asked by phia

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