Examlex
Which of these objects are MOST likely found to follow parabolic orbits?
Experimental Group
A group of subjects in an experiment who are exposed to the variable under investigation, used to determine the effect of a treatment or intervention.
Subject Bias
The tendency of individuals participating in a research study to act or respond in ways they believe correspond with what the researchers are looking for.
Placebo Effect
The beneficial effect on an individual resulting from a placebo treatment, which arises from the patient's expectations rather than the treatment itself.
Survey
A method of gathering information from a large group of people, typically by asking them questions.
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