This tutorial, which is a practical introduction to Item Response Theory (IRT),
is composed of six parts:
This tutorial is designed for novices, and thus, the orientation of this guide is
conceptual and practical. Technical terms and mathematical formulas are omitted
as much as possible. Since some concepts are interrelated, readers are
encouraged to go through the tutorial in a sequential manner. You can pause and
rewind any slide at any moment. Each slide has a navigation bar at the bottom.
The function of each button is revealed upon mouse over.