Asked by amarbir chahal on Jul 19, 2024
Verified
780 men suffering from high blood pressure were randomly assigned to one of two groups.Over a four-month period,the first group received an experimental drug and the second group received a placebo.A larger decrease in diastolic blood pressure was observed for those who received the drug.The patients did not know whether they were receiving the drug or the placebo.Neither the technicians administering the treatments nor the physicians evaluating the results knew which participants had received the drug and which the placebo.
A) Double blind
B) Single blind
C) Neither
Double Blind
A study or experiment setup where neither the participants nor the experimenters know who is receiving a particular treatment, to prevent bias.
Placebo
An inert or innocuous substance typically used as a control in clinical trials to test the efficacy of treatments.
Experimental Drug
A pharmaceutical compound that is in the process of being tested in preclinical or clinical trials to assess its safety and efficacy.
- Recognize the essential function of double-blinding in enhancing experimental integrity.
Verified Answer
Learning Objectives
- Recognize the essential function of double-blinding in enhancing experimental integrity.
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