Question

Who is more likely to binge drink—male or female college students? The Harvard School of Public Health surveys random samples of male and female under

Study design
ANSWERED
asked 2021-06-18
Who is more likely to binge drink—male or female college students? The Harvard School of Public Health surveys random samples of male and female undergraduates at four-year colleges and universities about whether they have engaged in binge drinking. What type of study design is being used to produce data?

Answers (1)

2021-06-19
An experiment deliberately imposes some treatment on individuals in order to observe their responses.
An observational study tries to gather information without disturbing the scene they are observing. Observational study
Thus we have an observational study that will compare the proportions of two samples orienting from two independent populations.
Note: The exercise prompt mentions that they "survey" random samples. However, this does not mean that the study is a survey, because the definition of a survey is "a general view, examination, or description of someone or something", thus it is possible that the data is collected by observing people and thus also WITHOUT specifically asking people questions, which means that the study is not necessarily a survey.
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