I believe the answer is: double-blind experiment
In double blind experiments, the subjects that receive the treatment is remained unknown by both the researchers and the subjects until the experiment is finished. The main purpose of double-blind experiment it eliminate the bias of perception that might exist among researchers.
Answer:
C. as both labor and capital are increased, output increases at a decreasing rate
Explanation:
Answer:
Explanation: Opposition took the form of both those in the North who believed the South had the right to be independent and those in the South who wanted neither war nor a Union advance into the newly declared Confederate States of America
They are most likely suffering from an anxiety disorder
Explanation:
Contamination can have undesirable consequences in real experiments, some of them are related to the feelings that may arise in the research participants, the contamination bias reduces the differences between the research groups, and can cause a comparison between the treatments of each different group, the which can generate conflicts and rivalries on the part of groups that consider themselves to be inferior to others. These contamination-related problems can significantly interfere with the research results.
