“The exasperated New York Supreme Court judge, Roger McDonough, tried to get Assistant Attorney General Galligan to answer his questions. He was looking for clarity and instead got circuitous responses about bell curves, “outliers” and adjustments.
The more Ms. Galligan tried to defend the bell curve of growth scores as science, the more the judge pushed back with common sense. It was clear that he did his homework. He understood that the New York State Education Department’s VAM system artificially set the percentage of “ineffective” teachers at 7 percent. That arbitrary decision clearly troubled him. “Doesn’t the bell curve make it subjective? There has to be failures,” he asked.
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