A critical look at a report on standardized tests
Blog by Richard Innes/Washington Post
The Center on Education Policy (CEP) recently issued a report titled “State Test Score Trends Through 2008-09, Part 1, Rising Scores on State Tests and NAEP,” lauding a supposed discovery that improvement on both state public school tests and the National Assessment of Educational Progress (NAEP) is moving in the same direction and looks much better than previously reported. Unfortunately, the report turns the mathematics of statistical sampling on its ear while attempting to claim that the performance of most states is improving on the NAEP reading assessments. (more…)