(Answered) Question for decades researchers politicians and tobacco

Statistics

Question: For decades, researchers, politicians, and tobacco company executives debated the relation between smoking and health problems, such as cancer.

a. Why was this research necessarily correlational in nature?

b. What confounding variables might make it difficult to isolate the effects of smoking tobacco on health?

c. How might the nature of this research and these confounds "buy time" for the tobacco industry in acknowledging the hazardous effects of smoking?

d. All ethics aside, how could you study the relation between smoking and health problems using a between-groups experiment?

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