Examlex
The theory that attributes the LEAST amount of meaning to dreams is
Control Group
In experimental research, a group of subjects that does not receive the treatment or intervention being studied and is used as a benchmark to measure the effects of the treatment.
Inactive Substance
A substance that has no intended therapeutic effects, often used as a control in experiments.
Placebo Effect
The phenomenon in which patients experience a perceived or actual improvement in their condition due solely to the psychological impact of receiving treatment, despite the treatment having no therapeutic effect.
Double-blind Procedure
An experimental technique where both the participants and the experimenters are unaware of who receives the treatment to prevent bias.
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