Item Parameter Estimation of the 2PL IRT Model With Fixed Ability Estimates: Choices of Ability Estimation Methods and Priors on Slopes
- Author(s):
- Fu, Jianbin; Ho, TsungHan; Tan, Xuan
- Publication Year:
- 2025
- Source:
- Practical Assessment, Research, and Evaluation (PARE), v30 iss1 n2 p1-31, Jan 2025
- Document Type:
- Article
- Page Count:
- 31
- Subject/Key Words:
- Item Parameter Estimation, Item Response Theory (IRT), 2-Parameter Logistic (2PL) Model, Ability Estimation, Slopes, Simulation Studies