Open AccessRELIABILITY OF SCALED SCORES
Author(s) -
Haberman Shelby J.
Publication year - 2008
Publication title -
ets research report series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.235
H-Index - 5
ISSN - 2330-8516
DOI - 10.1002/j.2333-8504.2008.tb02156.x
Subject(s) - item response theory , reliability (semiconductor) , statistics , psychology , equating , item analysis , reliability engineering , econometrics , computer science , mathematics , psychometrics , power (physics) , engineering , rasch model , physics , quantum mechanics
The reliability of a scaled score can be computed by use of item response theory. Estimated reliability can be obtained even if the item response model selected is not valid.