Examlex
A tumor of the thymus is a(n) ____________________.
Concealment of Random Allocation
A technique used in randomized controlled trials to prevent selection bias by concealing the allocation sequence from those assigning participants to intervention groups.
Intervention Group
A group in a scientific study that receives the treatment or intervention being tested, as opposed to a control group which does not.
Control Group
A group in an experiment or study that does not receive treatment by the researchers and is then used as a benchmark to measure how the other tested subjects do.
Masking
A method used in research where the participants and/or researchers are unaware of which individuals are in the control group and which are in the experimental group, to prevent bias.
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