Item information and discrimination functions for trinary PCM items

Psychometrika

Volumn 62, Issue 4, 1997, Pages 569-578

  Akkermans, Wies ^a   Muraki, Eiji ^b  

^a UNIVERSITY OF TWENTE   (Netherlands)

^b NONE

Author keywords

Item discrimination function; Item information function; Maximum item information; Partial credit model; Trinary items

Indexed keywords

EID: 0031321733     PISSN: 00333123     EISSN: None     Source Type: Journal    
DOI: 10.1007/BF02294643     Document Type: Article

References (11)

1. Andrich, D. (1978). A rating formulation for ordered response categories. Psychometrika, 43, 561-573.
2. Andrich, D. (1982). An extension of the Rasch model for ratings providing both location and dispersion parameters. Psychometrika, 47, 105-113.
3. Birnbaum, A. (1968). Some latent trait models and their use in inferring an examinee's ability. In F. M. Lord & M. R. Novick (Eds.), Statistical theories of mental test scores (pp. 395-479). Reading, MA: Addison-Wesley.
4. Huynh, H. (1994). On equivalence between a partial credit item and a set of independent Rasch binary items. Psychometrika, 59, 111-119.
5. Huynh, H. (1996). Decomposition of a Rasch partial credit item into independent binary and indecomposable trinary items. Psychometrika, 61, 31-39.
6. Lord, F. M. (1980). Applications of item response theory to practical testing problems. Hillsdale, NY: Lawrence Erlbaum.
7. Masters, G. N. (1982). A Rasch model for partial credit scoring. Psychometrika, 47, 149-174.
8. Mislevy, R., Johnson, E., & Muraki, E. (1992). Scaling procedures in NAEP. Journal of Educational Statistics, 17, 131-154.
9. Muraki, E. (1992). A generalized partial credit model: Application of an EM algorithm. Applied Psychological Measurement, 16, 159-176.
10. Muraki, E. (1993). Information functions of the generalized partial credit model. Applied Psychological Measurement, 17, 351-363.
11. Rasch, G. (1960). Probabilistic models for some intelligence and attainment tests. Copenhagen: Danish Institute for Educational Research. (Reprinted in 1980 by The University of Chicago Press).