Question detail
What is meant by a double blind trial in drug testing?
Try the question, check the answer, then read the explanation to understand the curriculum point.
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Topic
Communicable diseases
Question
What is meant by a double blind trial in drug testing?
Answer
A double blind trial is a study design where neither the participants nor the researchers know who is receiving the treatment or the placebo. This helps to eliminate bias in the results, as it prevents expectations from influencing the outcomes.
Explanation
This answer is strong because it clearly defines a double blind trial and explains its purpose in drug testing. The question tests the understanding of trial methodologies in the context of drug development.
Common mistake
Misunderstanding Double Blind Trials
Students often confuse double blind trials with single blind trials, thinking that only one group is unaware of the treatment they receive.
Clarify that in a double blind trial, both the participants and the researchers do not know who receives the treatment or the placebo, ensuring unbiased results.
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