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please help this question 20. A scientist has noted a possible relationship betw

ID: 208870 • Letter: P

Question

please help this question

20. A scientist has noted a possible relationship between a certain chemical substance found in fish and the occurrence of kidney failure in humans. Which of the following preliminary steps should the scientist take before conducting a controlled experiment?
A. Establish a cause and effect relationship between the substance and the outcome.
B. Review the literature to determine what other research is available on this topic.
C. Write a research grant proposal to the appropriate federal funding agency.
D. Distribute letters of consent to human subjects who will be used in the research.

Explanation / Answer

He should review the literature to determine what other scientists have done research on that topic as that is going to help more easily with the methodology to be followed and the concentrations to be used before proceeding for any preliminary steps ahead.