Arm
A group of participants in a research study who all receive the same study treatment.
How to say: Arm
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An example of a study with two arms.
USE IN A SENTENCE
If a study has more than one arm, one group will receive one study treatment while a second group will receive a different study treatment.
MORE INFO
Participants are put into different arms (or groups) to compare the results of different study treatments.
WORDS OPPOSITE TO ARM
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