This special issue is based on a workshop which began with a description and examination of the current National Assessment of Educational Progress (NAEP) standard-setting model, then looked to standard-setting applications outside of education. These applications included those that focus on human performance and the adequacy of human performance; in these contexts, raters were asked to focus on the knowledge and skills that underlie competent performance. Researchers also examined applications that focus on the impact of environmental agents on life and the ecology; in these cases, raters...