A researcher is asked to distribute medication to the participants of a study. Although each cup of medication is labeled with the participant's number, neither the researcher nor the participants know who is getting the placebo and who is getting the actual treatment. What type of experimental method does this example illustrate?
A. deception procedure
B. researcher blindness procedure
C. placebo effect procedure
D. double-blind procedure
B. researcher blindness procedure
You might also like to view...
In the context of presidential and vice-presidential vacancies in the United States, discuss the provisions of the Twenty-fifth Amendment to the Constitution.
What will be an ideal response?
One of the criticisms of the bureaucratic politics model (BPM) is that
a. bureaucracies tend to suggest policies that reflect their own interests. b. too many bureaucracies lack the expertise necessary to carry out policies once a decision is made. c. the cacophony of differing opinions creates an atmosphere of confusion. d. bureaucrats are not elected and not accountable to the citizenry. e. All of the above are true.
Which individual is usually identified as the "founding father" of classical liberalism?
A. Plato B. Franklin D. Roosevelt C. John Locke D. V.I. Lenin
Which president initiated the New Deal, a series of social programs that dramatically transformed people's views of the role of the federal government?
A. Harry Truman B. Dwight Eisenhower C. Herbert Hoover D. Franklin Roosevelt E. Lyndon Johnson