ERIC Number: EJ594312
Record Type: Journal
Publication Date: 1998
Reference Count: N/A
A Comparison of Linking and Concurrent Calibration under Item Response Theory.
Kim, Seock-Ho; Cohen, Allan S.
Applied Psychological Measurement, v22 n2 p131-43 Jun 1998
Compared three methods for developing a common metric under item response theory through simulation. For smaller numbers of common items, linking using the characteristic curve method yielded smaller root mean square differences for both item discrimination and difficulty parameters. For larger numbers of common items, the three methods were similar. (SLD)
Publication Type: Journal Articles; Reports - Evaluative; Speeches/Meeting Papers
Education Level: N/A
Authoring Institution: N/A