Which of the following kinds of studies would be the best to use when investigating whether cigarette smoking influences weight gain?
A)Cohort
B)Single-blind
C)Double-blind
D)Conventional

Question

Which of the following kinds of studies would be the best to use when investigating whether cigarette smoking influences weight gain?  
A)Cohort
B)Single-blind
C)Double-blind
D)Conventional

Quizplus · Accepted Answer

A cohort study would be the best choice because it involves identifying a group of individuals (in this case, smokers), following them over time, and collecting data on their exposure to cigarette smoking and their weight gain. This type of study allows for the observation of changes in weight gain patterns over time as they relate to smoking habits. The other study types listed are not as well suited for investigating this specific question.

Which of the Following Kinds of Studies Would Be the Best