Pridėtinės vertės įvertinimas kaip mokytojo rezultatų gerinimo priemonė: kritinė dabartinių tendencijų apžvalga
Value-aded asesment as a teacher performance incentive: a critical review of recent trends

Summary/Abstract: Research during the last decade has reinforced the notion that teachers are the most important inschool variable affecting student achievement. Not surprisingly, there has been increased interest in providing pay incentives for teachers whose students do well. Teacher evaluations and performance-based pay schemes using value-added assessment instruments are also present in the latest Lithuanian government action plan approved by Parliament in 2008. There have been significant developments in attempts to use value-added (VA) assessment instruments that link student performance to individual teachers. Proponents have created a variety of statistical models that purport to separate the effects of teachers and schools from the effects of demographic, socioeconomic and other factors. Critics argue that it is not possible to separate these effects, and therefore the statistical models are not valid instruments to be used for high-stakes decisions, such as salary increases and job promotions. The use of standardized, norm-referenced tests as a sole mea

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