A Study of an Experimental Blood Thinner Was Conducted to Determine

question 48

Essay

A study of an experimental blood thinner was conducted to determine whether it works better than the simple aspirin tablet in warding off heart attacks and strokes. The study involved 20,000 people who had suffered heart attacks, strokes, or pain from clogged arteries. Each person was randomly assigned to take either aspirin or the experimental drug for 1 to 3 years. Assume that each person was equally likely to be assigned one of the two medications.
Devise a randomization plan to assign the medications to the patients.
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Will there be an equal number of patients in each treatment group? Explain.
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Definitions:

Sleep Terrors

Intense episodes of fear that occur during deep sleep, often characterized by screaming, kicking, confusion, and no memory of the event upon waking.

Nightmares

Frightening dreams that occur during REM sleep, often in the morning hours.

Sleep Terrors

Episodes of screaming, intense fear, and flailing while still asleep, often occurring in children.

Situational Stress

A type of stress that arises from external circumstances or situations, often temporary in nature.