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-If aggregate demand shifts from AD4 to AD5,
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.
Preexisting Differences
Variations in characteristics, conditions, or experiences among subjects before the onset of a study or intervention, potentially influencing outcomes.
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