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Download full textYuan, Kun – Society for Research on Educational Effectiveness, 2014
Value-added modeling (VAM), one class of statistical models used to estimate individual teacher's or school's contribution to student achievement based on student test score growth between consecutive years, has become increasingly popular in the last decades. Despite the increasing popularity of VAM, many researchers are concerned about the…
Descriptors: Middle School Teachers, Value Added Models, Statistical Analysis, Teacher Influence
