This paper aims to identify and compare key factors influencing US States' or an OECD country's decision to employ student test scores or test score value-added (VAM) in evaluating teacher effectiveness. Analysis using multiple linear probability model and logistic regression frameworks indicates that the use of VAM/student test scores was…

The Education Value-Added Assessment System (EVAAS), the value-added model (VAM) sold by the business analytics software company SAS Institute Inc., is advertised as offering "precise, reliable and unbiased results that go far beyond what other simplistic [value-added] models found in the market today can provide." In this study, we…

Contemporary teacher evaluation systems are built upon multiple measures including, primarily, teacher-level value-added and observational estimates. While researchers have conducted examinations of these systems and indicators, researchers have not investigated how using these systems might distort the validity of the inferences being drawn,…

The study used tailored interventions for ten schools which were deemed chronically low performing in Florida. Treatment schools included a majority of students that were minorities, economically disadvantaged and academically struggling or at-risk of failure. The ten schools received a progression of intensive professional development and…

The Every Student Succeeds Act prohibits the federal government from requiring the use of student achievement data for teacher accountability purposes. As states grapple with what to do about teacher accountability, it is critical to examine policy influences on a) the equitable distribution of effective teachers; and b) how teacher accountability…