Use the following to answer question 26: Twelve people who suffer from chronic f

Question

Use the following to answer question 26: Twelve people who suffer from chronic fatigue syndrome volunteer to take part in an experiment to see if shark fin extract will four are women. Half of the volunteers increase one's energy level. Eight of the volunteers are men and are to be given shark fin extract twice a day and the other half a placebo twice a day. We wish to make sure that four men and two women are assigned to each of the treatments, so we decide to use a block design with the men forming one block and the women the other Suppose one of the researchers is responsible for determining if a subject displays an increase in energy level. In this case, we should probably A) use two placeboes. B) use stratified sampling to assign subjects to treatments. C) use fewer subjects but observe them more frequently. D) conduct the study as a double blind experiment. 26. Page 10

Explanation / Answer

Solution:-

option D) Conduct the study as a double-blind experiment.

=> A double blind experiment is an experimental method used to ensure impartiality, and avoid errors arising from bias.

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