IERI Spring Academy 2022

IERI Spring Academy 2022


The IEA-ETS Research Institute (IERI) is organizing an online academy on conduction secondary analysis using data from international large-scale assessments such as TIMSS, PIRLS, and the OECD studies. The following topics will be covered:

  • Overview of the surveys and available data
  • Review of the background questionnaires
  • Sampling and assessment design issues and implications for the analysis 
    • Overview of sampling
    • Sampling variance estimation
    • Assessment design
    • Principles of item response theory
    • Principles of multiple imputations
    • Estimating sampling variance
  • Using the IEA's IDB Analyzer to analyze international large-scale assessment data 
    • The Merge Module
    • The Analysis Module
  • Using the International Data Explorer
  • Calculating standard errors with complex designs 
    • Working with independent and dependent samples
    • Working with composite statistics
  • Combining variables, creating and validating indices