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A researcher tests whether the dosage level of some drug (low,high) causes significant differences in health.To do this,the researcher randomly assigns rat subjects to receive a low or high dosage of the drug and records health-related measures in both groups.The type of method described is
Hypertension
A chronic medical condition where the blood pressure in the arteries is persistently elevated, often leading to increased risk of heart disease, stroke, and other health problems.
Poverty
A condition where an individual or community lacks the financial resources and essentials for a minimum standard of living.
Unemployment
A condition where individuals who are capable of working and actively seeking work remain jobless.
Overcrowding
A condition in which a space contains more people than can comfortably or safely accommodate, often leading to stress and health issues.
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