Daily News exam finds math scores up when difficulty rating went down
By appeared in the NY Daily News
When test scores rise, politicians crow that schools are getting better, but a Daily News analysis of recent standardized math exams and a News experiment suggest another reason:
The questions might be getting easier.
"There's less than a 5% chance that [the results] are due to chance," said James Corter, a professor of education and statistics at Columbia University's Teachers College. "The fact that it's a small sample is not at all important. I think you've got really good evidence here ... that the 2005 test was easier."
This article appeared in the September 4, 2007 edition of the NY Daily News.