Volume 30 • 2025

Articles

Simultaneous linear equating for scenarios with optional test versions or across multiple alternative anchors

Tom Benton

2025-01-09 Volume 30 • 2025 • Article 1

Item parameter estimation of 2PL IRT model with fixed ability estimates: Choice of ability estimation methods and priors on slopes

Jianbin Fu, TsungHan Ho and Xuan Tan

2025-01-22 Volume 30 • 2025 • Article 2

What is in a Score? Exploring the Contribution of Raters, Students, Teachers, and the Teaching Context to Scores from Observation Systems

Mark White

2025-04-29 Volume 30 • 2025 • Article 3