Abstract: There are some popular criteria for computing equating coefficients based on Item Response Theory (IRT), such as Stocking_Lord method (SLcrit), Haebara method (Hcrit). In this paper some new ...

Test equating constitutes a critical element of modern assessment practices, ensuring that scores from different test forms are directly comparable. Recent advancements have pooled statistical ...

Some scientific discoveries matter because they reveal something new — the double helical structure of DNA, for example, or the existence of black holes. However, some revelations are profound because ...

The traditional way to linking different forms of test typically uses common (or randomly equivalent) examinees or items. When common examinees or items are unavailable due to test properties or ...