Examlex
The nervous system contains two types of cells,neurons and glia cells,but only neurons conduct nerve impulses.
Control Group
In experimental research, a group of subjects that does not receive the treatment or intervention being tested, used as a benchmark to measure how the other tested subjects do.
Placebo Pills
Inactive substances or "sugar pills" used in clinical trials to test the effectiveness of treatments and control for the placebo effect.
Level of Agitation
The degree or extent of restlessness, uneasiness, or turmoil, often observed in individuals with psychiatric conditions.
Random Assignment
A selection procedure that ensures that participants are randomly placed either in the control group or in the experimental group.
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