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Rescaling Ordinal Data to Interval Data in Educational Research.

Authors :
Harwell, Michael R.
Gatti, Guido G.
Source :
Review of Educational Research. Spr 2001 71(1):105-131.
Publication Year :
2001

Abstract

Shows how item response theory can be used to rescale ordinal data to an interval scale. Provides examples of rescaling using student performance data and makes the case that educational researchers should consider rescaling ordinal data using item response theory routinely. (SLD)

Details

Language :
English
ISSN :
0034-6543
Volume :
71
Issue :
1
Database :
ERIC
Journal :
Review of Educational Research
Publication Type :
Report
Accession number :
EJ642247
Document Type :
Information Analyses<br />Journal Articles<br />Reports - Descriptive