Answer: c. neither the subjects in the experimental or control groups nor the experimenters know which are the experimental and control groups
Explanation:
A double minded study could be described as one where both the party carrying out the experiment and the perty involved in the experiment do not know themselves. The researcher has no idea with whom they are interacting with. They just perform function and go their way. The purpose of the study is to eliminate suggestion among pratitioners.
The Great Wall of China........................
The Figurative Slave act and the <span>Compromise of 1850 determined the outcome of the presidential election of 1852.
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The gravitational effect when spacecraft flies close to the asteroid
