NotesFAQContact Us
Collection
Advanced
Search Tips
50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

Back to results
Peer reviewed Peer reviewed
ERIC Number: EJ642247
Record Type: CIJE
Publication Date: 2001
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0034-6543
Rescaling Ordinal Data to Interval Data in Educational Research.
Harwell, Michael R.; Gatti, Guido G.
Review of Educational Research, v71 n1 p105-31 Spr 2001
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)
Descriptors: Educational Research, Item Response Theory, Scaling
Publication Type: Information Analyses; Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Interval Scales; Ordinal Scales