A study in which children are randomly assigned to receive either a newly formulated vaccine or the currently available vaccine, and are followed to monitor for side effects and effectiveness of each vaccine, is an example of which type of study?

Question

Quizplus · Accepted Answer

This study is a randomized controlled trial because participants are randomly assigned to different groups to compare the effects of the new vaccine versus the current one.

A Study in Which Children Are Randomly Assigned to Receive