![]() In addition, the generated syntax makes appropriate use of plausible values for calculating estimates of achievement scores, combining both sampling variance and imputation variance. The IDB Analyzer generates SPSS or SAS syntax files that take into account information from the complex sampling design of the study to produce population estimates. ![]() The IDB Analyzer was originally designed to allow users to combine and analyse data from IEA’s large-scale assessments, but it has been adapted to work with data from most major large-scale assessment surveys, including those conducted by the Organisation for Economic Co-operation and Development (OECD), such as the Programme for the International Assessment of Adult Competencies (PIAAC), the Programme for International Student Assessment (PISA), and the Teaching and Learning International Survey (TALIS). Developed by IEA Hamburg, the IDB Analyzer is an interface that creates syntax for SPSS (IBM 2013) and SAS (SAS 2012).
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