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Direct linkScherrer, Jimmy – Phi Delta Kappan, 2012
The use of value-added modeling (VAM) in school accountability is expanding, but deciding how to embrace VAM is difficult. Various experts say it's too unreliable, causes more harm than good, and has a big margin for error. Others assert VAM is imperfect but useful, and provides valuable feedback. A closer look at the models, and their use,…
Descriptors: Teaching (Occupation), Accountability, Models, Data
