Examlex
Which of the following is a difference between early-maturing girls and girls who mature later on?
Placebo Effect
A psychological phenomenon where patients experience perceived or actual improvements in their condition due to their belief in the efficacy of a treatment that is inert or not specifically effective for the condition being treated.
Fake Treatment
A placebo or sham treatment, with no therapeutic effect, used as a control in testing new drugs or treatments.
Control Group
In experimental research, a group of subjects that does not receive the treatment being tested, used as a benchmark to measure the effect of the treatment on another group.
Operational Definition
A clear, precise description of a variable in terms of the procedures or operations used to measure or identify it.
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