Now showing items 1-4 of 4

  • König, Christoph; Spoden, Christian; Frey, Andreas (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
    Accurate item calibration in models of item response theory (IRT) requires rather large samples. For instance, [Formula: see text] respondents are typically recommended for the two-parameter logistic (2PL) model. Hence, ...
  • Born, Sebastian; Fink, Aron; Spoden, Christian; Frey, Andreas (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    The increasing digitalization in the field of psychological and educational testing opens up new opportunities to innovate assessments in many respects (e.g., new item formats, flexible test assembly, efficient data ...
  • Spoden, Christian; Frey, Andreas; Bernhardt, Raphael (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    The development of a computerized adaptive test is considered a labor-intensive and time-consuming endeavor. This paper illustrates that this does not have to be the case—by demonstrating the steps taken, the decisions ...
  • Frey, Andreas; Spoden, Christian; Goldhammer, Frank; Wenzel, Franziska (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2018)
    A new response time-based method for coding omitted item responses in computer-based testing is introduced and illustrated with empirical data. The new method is derived from the theory of missing data problems of Rubin ...