Examlex
Does taking large amounts of vitamins protect against cancer? To study this question, researchers enrolled 29,000 Finnish men, all smokers over the age of 50. Half of the men, selected at random, took vitamin supplements, and others took a dummy pill that has no active ingredient. The researchers followed all the men for eight years. At the end of the study, men in the vitamin group were no less likely to have cancer than men in the other group. This study cast doubt on the popular idea that taking lots of vitamins can reduce the risk of cancer.
The study design looked like this:
The response variable should be named in the outline at "Question C." The response variable in this study is
Oppositional Defiant Disorder
A behavioral disorder characterized by ongoing patterns of uncooperative, defiant, hostile, and annoying behavior towards authority figures.
Torture
The act of inflicting severe pain or suffering on someone, often to punish, coerce, or obtain information.
Blame Others
The act of attributing responsibility for one's own or shared problems or negative outcomes to other individuals or entities.
Cyber Bully
The use of electronic communication to bully a person, typically by sending messages of an intimidating or threatening nature.
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