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Vien is working on a study that asks whether a college education is more highly valued by working-class or middle-class people. He posts fliers all over his college campus asking for volunteers, and interviews about sixty college students. After analyzing his data, he concludes that working-class people actually put higher value on education than middle-class people. What is a possible critique of Vien's study?A high quality study cannot be conducted at a single location.Because of the barriers to higher education for working-class students, it is likely that those working-class students who do attend college place a higher value on it than those who don't and thus do not necessarily reflect working-class values in general.Students who really value a college education are not very likely to spend time being interviewed, since they are likely to spend most of their time studying.Because students are in the midst of their college experience, they are not able to offer meaningful reflections on the value of their experience

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