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An administrator believes that the placement of motivational posters on the walls in classrooms of academic buildings will lead to increased GPAs at his school.To test his theory,he randomly assigns certain classrooms within the College of Liberal Arts and Sciences to have the posters while others do not.None of the remaining four academic colleges have any posters placed in their classrooms.What is the independent variable in this study?
Choking
An emergency situation where the airway is blocked, preventing normal breathing.
Severed Ear
A medical condition or injury involving complete or partial detachment of the ear from the rest of the head.
Plastic
A broad category of synthetic or semi-synthetic materials that can be molded into various shapes, widely used in manufacturing.
Ice
Frozen water, often used to cool drinks, reduce swelling, or preserve food.
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