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Randomized Events
A Randomized Event is one of nine types of Support Event (Guidance Events, Branching Point Event, Calendarize Event, Event Iterations, Event Array, Study Context Events, Unspecified Support Events, Randomized Event, and Goodbye Event.
This event is a simple randomizer for such things as randomly assigning subjects to treatment groups at run-time.
To make the random treatment assigner event, click on CREATE and then on Support. Under the support menu, select "Randomized Event."
A new row will appear in your Events Specification Table. Under Event Type, you will see "Randomized Event." Under Event Label type "Random Treatment Assigner." Under Variable name, type TreatmentAssigner.
Click on Random Treatment Assigner and look down below your Events Specification Table to the Protocol Construction Area.
Here, you will see two fields. The field on the right side is labeled "Events Available For Transferring Into The Collection." The two fields are connected by an arrow labeled "Transfer" and this arrow points from the field on the right to the field on the left. The field on the right will contain all of the events that you have created. The field on the left will contain the events to be randomly presented to subjects at run-time.
An example of the application of this support event might involve a study that calls for the random assignment of subjects to treatment groups online at run-time. In this case, you would click on the treatment events in the right column and move them to the "Collection" on the left.
Screen Shot of Collection of Treatment Events