Which of the following statements are true? Select all that are true. Double bli
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Question
Which of the following statements are true? Select all that are true.
Double blinding is when the subjects do not know whether or not they are in the control group and do not know who is conducting the experiment.
In an experiment, if one does not give the control group a placebo while the treatment group knowingly receives a treatment, the results may be distorted by the Placebo effect.
Randomized comparative experiments are more likely to demonstrate causality than observational studies.
Causation should be inferred in an observational study if the results are statistically significant.
A.Double blinding is when the subjects do not know whether or not they are in the control group and do not know who is conducting the experiment.
B.In an experiment, if one does not give the control group a placebo while the treatment group knowingly receives a treatment, the results may be distorted by the Placebo effect.
C.Randomized comparative experiments are more likely to demonstrate causality than observational studies.
D.Causation should be inferred in an observational study if the results are statistically significant.
Explanation / Answer
In an experiment, if one does not give the control group a placebo while the treatment group knowingly receives a treatment, the results may be distorted by the Placebo effect.
Randomized comparative experiments are more likely to demonstrate causality than observational studies.
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