Item Response Theory

Author(s):
Carlson, James E.; von Davier, Matthias
Publication Year:
2013
Report Number:
RR-13-28, SPC-13-05
Source:
ETS Research Report
Document Type:
Report
Page Count:
69
Subject/Key Words:
Item Response Theory (IRT)

Abstract

Few would doubt that ETS researchers have contributed more to the general topic of item response theory (IRT) than individuals from any other institution. In this report, we briefly review most of those contributions, dividing them into sections by decades of publication, beginning with early work by Fred Lord and Bert Green in the 1950s and ending with recent work that produced models involving complex structures and multiple dimensions.

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