In a Clinical Trial,sometimes Patients Agree to Receive an Intervention

Multiple Choice

In a clinical trial,sometimes patients agree to receive an intervention but later decide to stop taking the medication.Moreover,some patients who were assigned to placebo decide to stop taking the placebo pill and buy the drug on their own (even when they do not know that they are taking a placebo pill) .When this happens,researchers typically do the analysis according to the original assignment of the treatment regardless of the actual treatment received.What is the name of this procedure to analyze the data?

A) Randomization
B) Intention-to-treat analysis
C) Concealment of random allocation
D) Analysis as treated
E) Mediation analysis