Can aspirin help prevent heart attacks? The Physicians\' Health Study, a large m

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Can aspirin help prevent heart attacks? The Physicians' Health Study, a large medical experiment involving 22,000 male physicians, attempted to answer this question. One group of about 11,000 physicians took an aspirin every second day, while the rest took a placebo. After several years, the study found that subjects in the aspirin group had significantly fewer heart attacks than subjects in the placebo group. (a) Identify the experimental subjects. health study all males medication heart attacks male physicians Identify the explanatory variable. health study all males medication heart attacks male physicians Incorrect: Your answer is incorrect. Identify the values the explanatory variable can take. (Select all that apply.) placebo asprin nothing acetaminophen ibuprofen
Identify the response variable. health study all males medication heart attacks male physicians Can aspirin help prevent heart attacks? The Physicians' Health Study, a large medical experiment involving 22,000 male physicians, attempted to answer this question. One group of about 11,000 physicians took an aspirin every second day, while the rest took a placebo. After several years, the study found that subjects in the aspirin group had significantly fewer heart attacks than subjects in the placebo group. (a) Identify the experimental subjects. health study all males medication heart attacks male physicians Identify the explanatory variable. health study all males medication heart attacks male physicians Incorrect: Your answer is incorrect. Identify the values the explanatory variable can take. (Select all that apply.) placebo asprin nothing acetaminophen ibuprofen
Identify the response variable. health study all males medication heart attacks male physicians Can aspirin help prevent heart attacks? The Physicians' Health Study, a large medical experiment involving 22,000 male physicians, attempted to answer this question. One group of about 11,000 physicians took an aspirin every second day, while the rest took a placebo. After several years, the study found that subjects in the aspirin group had significantly fewer heart attacks than subjects in the placebo group. (a) Identify the experimental subjects. health study all males medication heart attacks male physicians Identify the explanatory variable. health study all males medication heart attacks male physicians Incorrect: Your answer is incorrect. Identify the values the explanatory variable can take. (Select all that apply.) placebo asprin nothing acetaminophen ibuprofen
Identify the response variable. health study all males medication heart attacks male physicians

Explanation / Answer

an experimental subject is a group of subjects who are exposed to the variable under study.

So the answer here is a Male physician

the explanatory variable is used to predict or explain differences in the response variable.

Here the answer is Medication.

The explanatory variable can take. Asprin and Placebo

Response variable: The outcome variable, also known as a dependent variable

Here the response variable is the heart attack

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