Matt is a well-experienced researcher investigating the effects of college drinking patterns on later life success. Because Matt is aware of the meta-analysis study conducted by Filmore and described in your book, he realizes he may be unable to avoid a fatal flaw of many alcohol studies; that is, he may be unable to __________.
A) account for age differences across subjects
B) use nonrandom assignment when placing subjects into groups
C) use random assignment of subjects into groups
D) control the kind of alcohol consumed by subjects

Question

Quizplus · Accepted Answer

The fatal flaw of many alcohol studies is that they lack random assignment of subjects into groups, which can lead to confounding variables and flawed conclusions. Matt's awareness of this flaw and consideration of using random assignment ensures that his study will have stronger internal validity and more accurate results. Therefore, the correct choice is C, use random assignment of subjects into groups.

Matt Is a Well-Experienced Researcher Investigating the Effects of College