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A district administrator wants to determine the effect of truancy on academic achievement. In an ...

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A district administrator wants to determine the effect of truancy on academic achievement. In an ...

A district administrator wants to determine the effect of truancy on academic achievement. In an effort to 'blind' the experiment, she asks the dean at one high school to randomly select the records of 50 truant students and asks the dean at another high school to randomly select the records of 50 nontruant students. Identify any problems that are likely to cause confounding.

▸ nothing (this is a well-designed retrospective study)

▸ analysis by the district administrator

▸ the use of cases from two different schools

▸ the use of two different deans as selectors

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Statistical Reasoning for Everyday Life

Edition: 5^th

Authors: Bennett, Briggs, Triola

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