RESEARCH-BASED OPTIONS FOR EDUCATION POLICYMAKING

RESEARCH-BASED OPTIONS
FOR EDUCATION POLICYMAKING


From the NEPC:

If the objective is to improve educational performance, outside-school factors must
also be addressed. Teacher evaluation cannot replace or compensate for these much
stronger determinants of student learning.  The importance of these outside-school
factors should also caution against policies that simplistically attribute student test
scores to teachers.

The results produced by value-added (test-score growth) models alone are highly
unstable. They vary from year to year, from classroom to classroom, and from one
test to another.  Substantial reliance on these models can lead to practical, ethical
and legal problems.


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