The partial credit model and null categories
Suggested Citation
M Wilson and Geoff Masters. "The partial credit model and null categories" Psychometrika 58.1 (1993): 87-99.
Prof. Geoff Masters
ACER
- Chief Executive Officer
- BSc, MEd, UWA, PhD Chicago, FACE, FACEL
- Contact Information
- Curriculum Vitae [PDF]
Expertise
- Psychometrics
- Assessment and Reporting