Examlex
Which of the following can cause tropospheric air to rise into the stratosphere?
Control Group
A control group in scientific experiments is the group of subjects that does not receive the treatment or experimental condition and is used as a benchmark to measure the effects of the treatment.
Control Group
In experimental research, a group of subjects that does not receive the experimental treatment and is used as a benchmark to measure how the other tested subjects do.
Placebo
An inert or innocuous substance given to a patient instead of genuine medication, used in studies to evaluate the efficacy of treatments.
Confederate
An individual who is part of an experiment but pretends to be a participant and is aware of the study's aims.
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