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bachelor in business administration
Polytechnic State University Sanluis
Jan-2006 - Nov-2010
CPA
Polytechnic State University
Jan-2012 - Nov-2016
Professor
Harvard Square Academy (HS2)
Mar-2012 - Present
Researchers want to design a study to compare topical cream (applied to the skin) and a drug taken in capsule form for the treatment of a certain type of skin rash. Sixty volunteers who have the rash agree to participate in the study.
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a. If each volunteer is given only one treatment, can the study be double-blind? Explain.
b. If each volunteer is given only one treatment, can the study be single-blind? Explain.
c. Could a double-blind, double-dummy study be done? If not, explain why. If so, explain how it would be done.
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