A world-class expert in the field of measurement explains why using VAM (the results of student standardized tests) to judge public teachers and their schools is corrupt, destructive and fraudulent.
Gene V. Glass is one of our mation’s superstar researchers of education. His field for many decades was measurement. He describes how hopeful the field was that better measurement of students would solve important problems.
But in this post, he explains that he is resigning from his field. Measurement has over promised and under delivered.
“The degrading of public education has involved impugning its effectiveness, cutting its budget, and busting its unions. Educational measurement has been the perfect tool for accomplishing all three: cheap and scientific looking….
“Teachers and many parents understand that children’s development is far too complex to capture with an hour or two taking a standardized test. So resistance has been met with legislated mandates. The test company lobbyists convince politicians that grading teachers and schools is as easy as grading cuts of meat. A huge publishing company from the UK has spent $8 million in…
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