USA TODAY: Fewer than half the states routinely analyze suspicious numbers of erasures on standardized school tests, a key method of detecting cheating by teachers or their bosses.
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… (more)
