Researchers recruit a total of 23,428 recently discharged patients to determine

Question

Researchers recruit a total of 23,428 recently discharged patients to determine whether patient satisfaction scores differ depending on where and how they are reported. Patients are randomly assigned into one of four study arms: (1) scores reported via email distributed at the time of discharge, (2) scores reported via mailed survey distributed at time of discharge, (3) scores reported via email distributed 3 days following discharge, (4) scores reported via mailed survey distributed 3 days following discharge. Even though study participants are randomized into these four groups, some participants specifically request to receive the survey at a different time or in a different medium. The researchers reported that some patients lost interest in the study and unenrolled after learning their assignment to one of the study arms. What is the most specific name for this type of study design?

A. Research study

B. Experimental study

C. Randomized Controlled Trial

D. Factorial Randomized Controlled Trial

Explanation / Answer

This is an example of Factorial Randomized control trial.

l factorial experiment is an experiment whose design consists of two or more factors, each with discrete possible values or "levels"

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