ERIC Number: EJ642247
Record Type: Journal
Publication Date: 2001
Reference Count: N/A
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)
Publication Type: Information Analyses; Journal Articles; Reports - Descriptive
Education Level: N/A
Authoring Institution: N/A