Declines in the scores of Australian 15-year-old students from the Programme for International Student Assessment are a matter of policy interest. Some of the declines may have resulted from shifts in the age-grade distributions of students in the Programme for International Student Assessment samples. We use multiple regression methods to model…

This presentation is devoted to four main topics: (1) the comparative performance of U.S. adults and high school students on international literacy assessments; (2) the literacy/numeracy proficiencies of the nation's adults in different educational groups and among those who recently participated in federally-funded adult education programs; (3)…