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onExamination from BMJ Learning

Question of the Day

Test your knowledge and try our Question of the Day based on themes similar to the January 2008 exam.

In a clinical trial of a new drug treatment, which of the following is/are correct?

True / False

Allocation of treatment to each patient should be determined by disease severity
Differences in baseline variables in patients allocated to different treatmentgroups are reduced by randomised allocation
Patients receiving placebo treatment may improve
Random allocation of treatment eliminates assessment bias
The null hypothesis is rejected if there are significant differences in response in randomly allocated treatment groups

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