When competence tests are administered, subjects frequently omit items. These missing responses pose a threat to correctly estimating the proficiency level. Newer model-based approaches aim to take nonignorable missing data processes into account by incorporating a latent missing propensity into the measurement model. Two assumptions are typically…

Of all the areas within public elementary and secondary education that are experiencing rapid change, none is experiencing more turmoil than school finance. This publication contains papers commissioned by the National Center for Education Statistics (NCES) to address the twin concerns of what additional school-finance information NCES should…