Examlex
Two layers of sediment resulting from one year's deposition in a glacial lake are called ___.
Placebo
A substance with no therapeutic effect, often used as a control in testing new drugs.
Fake Treatment
A placebo or sham treatment given to participants in research, which has no therapeutic effect.
Demand Characteristic
Cues in an experimental environment that communicate to participants how they are expected to behave.
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.
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