Knowledge which has an effect? the efficiency of research data for educational policy decisions (analysis on the case of school performance investigation "PIRLS")
In this article international tools for students’educational skills evaluation PISA (Program for International Student Assessment), TIMMS (Trends in International Mathematics and Science Study), PIRLS (Progress in International Reading Literacy Study) are considered along with the their results in international context. The strategies of research data use in educational policies of different countries are discussed.