Advances in Rasch modeling: New applications and directions Steffen Brandt, Mark Moulton & Brent Duckor (Eds.) CONTENT Modeling DIF for simulations: Continuous or categorical secondary trait?Christine E. DeMarsFull article .pdf (Diamond Open Access) Application of evolutionary algorithm-based symbolic regression to language assessment: Toward nonlinear modelingVahid AryadoustFull article .pdf (Diamond...