Research

Topics

  • Log-Data
    • Theory
      • Completeness of log data
      • Theoretical framework
      • Taxonomy of para data
    • Technical
      • Universal log data format
      • Operazionalization of indicators
    • Psychometric
      • Joint modeling of log  data indicator and substantive data
    • Empirical
      • NEPS
      • MultiTex
      • PISA

 

  • Mode Effects
    • Theory
      • Measurement properties of modes
      • Setting (Unproctored Online/Group/Individual) vs. Mode (Paper/Computer)
    • Technical
      • Log data from paper based assessment
    • Psychometric
      • Experimental designs to identify mode effects
      • Within-subject designs to increase statistical power
      • Linking across modes in longitudinal designs
    • Empirical
      • NEPS
      • PISA
      • TIMSS

 

  • Adaptive Testing
    • Theory
      • Multidimensional adaptive testing
      • Constraint management
    • Application
      • Mixing of items from different domains
    • Empirical
      • Item bank development

 

  • Causal Inference
    • Theory
      • Requirements for causal inference
      • Assignment vs. outcome modeling
    • Psychometric
      • Standard error for generalized ANCOVA