question archive In a study to identify the effectiveness of drugs in reducing smoking habits, the study participants were grouped into 3 categories
In a study to identify the effectiveness of drugs in reducing smoking habits, the study participants were grouped into 3 categories
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In a study to identify the effectiveness of drugs in reducing smoking habits, the study participants were grouped into 3
categories. Each of the groups was assigned randomly to one type of drug, either Drug A, Drug B, or Drug C. Results were observed for a 4
week period. Is the study observational or experimental? If it is an experiment, what is the controlled factor?
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Is observational, the factor is 4.
Luck & Smile.
Step-by-step explanation
It is observational, based on what was observed during the 4-week period, the researcher emits an inferential statistic. Therefore, the factor is 4.
