Few states examine test erasures
By Marisol Bello and Greg Toppo/USA Today
Erasure analysis launched a Georgia investigation that uncovered widespread cheating in Atlanta schools and has triggered probes in Washington, D.C., and Pennsylvania. A survey by USA TODAY of state education agencies found that 20 states and Washington, D.C., did erasure analysis on all pencil-and-paper tests required during the 2010-11 school year under the federal No Child Left Behind education law. That means nearly 45% of the annual reading and math exams this year were scored without analyzing erasures. The analysis looks for unusual rates of answers erased and changed from wrong to right. Statisticians consider it a key indicator of whether educators are correcting students' answers in order to boost their schools' scores. (more...)