Indictment by Correlation

The Atlanta Journal Constitution launched round two in its investigation into cheating on school achievement tests. The best that can be said about the piece is that they found an expected correlation and decided that was evidence of school cheating. Last month I described how they had studied school test scores and conclude that the […]

Posted by Larry on May 1st, 2012 | Comments Off on Indictment by Correlation Posted in Methodolgy Issues, Telling the Full Story, Where's the Data?