When comparing relations and means of latent variables, it is important to establish measurement invariance (MI). Most methods to assess MI are based on confirmatory factor analysis (CFA). Recently, new methods have been developed based on exploratory factor analysis (EFA); most notably, as extensions of multi-group EFA, researchers introduced…

Evaluating students from culturally and linguistically diverse backgrounds (i.e., emergent bilinguals) presents challenges to evaluation teams, as distinguishing between a language disorder and typical second language development is more complex. The skills and knowledge required to do this task often exceed the level of training that evaluators…

The Elementary and Secondary Education Act (ESEA), as amended by the Every Student Succeeds Act (ESSA), requires state education agencies to establish and implement standardized, statewide entrance and exit procedures for English learners (ELs). WIDA provides the English language proficiency placement and annual assessments administered in…