NASSP Rejects Value-Added Assessment

The word 'Worth' highlighted in green, under the heading 'Value'

Reposted from the Washington Post:

Even as the Obama administration keeps extending its support for using standardized test scores for high-stakes decisions — see its new draft proposals to rate colleges of education based on the test scores of the graduates’ students — a national principals group is taking a stand against it.

The Board of Directors of the National Association of Secondary School Principals has given preliminary approval to  a statement that rejects  linking educators’ jobs and pay to standardized test scores that are plopped into a formula that can supposedly determine exactly how much “value” an individual educator has added to students’ academic growth.

Last April, the  Statistical Association, the largest organization in the United States representing statisticians and related professionals, said in a report that value-added scores “do not directly measure potential teacher contributions toward other student outcomes” and that they “typically measure correlation, not causation,” noting that “effects — positive or negative — attributed to a teacher may actually be caused by other factors that are not captured in the model.” After the report’s release, I asked the Education Department if Education Secretary Arne Duncan was reconsidering his support for value-added measures, and the answer was no.

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