The nonequivalent-groups anchor-test (NEAT) data-collection design is commonly used in large-scale assessments. Under this design, different test groups take different test forms. Each test form has its own unique items and all test forms share a set of common items. If item response theory (IRT) models are applied to analyze the test data, the…

Lately, there has been an increased focus on the role that certification plays in the long-term performance of classroom teachers. In short, does certification matter? Many studies have analyzed the specific components and requirements of certification programs to determine which might be more predictive of long-term teaching success. This study…