Posted by **Hamilton** on Friday, November 18, 2011 at 12:37pm.

Suppose you devised a training program to raise student scores on a standardized test, such as ACT, or AIMS (like in Arizona). You first administer the test to a random sample of students, record their scores, administer the training to these students, and then administer the test a second time to each of the same students. For each student you record their score for the second test. (I am deliberately leaving out additional parameters, as you will see why in item b)

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