미국
National Assessment of Educational Progress, 2009
The National Assessment of Educational Progress, 2009 (NAEP 2009) is a study that is part of the National Assessment of Educational Progress (NAEP) program; program data is available since 1990 at . NAEP 2009 (https://nces.ed.gov/nationsreportcard/) is a cross-sectional survey that assesses what America's students know and can do in various subject areas. The study was conducted using computer-based assessment of students. Students in grades 4, 8, and 12 were sampled. NAEP 2009 assessments consist of national and state assessments in reading and math, at grades 4 and 8; a national and state sample in writing at grade 8; and a national only writing sample at grade 12. The study's response rates were between 83 and 100 percent. Key statistics produced from NAEP 2009 are results on subject-matter achievement, instructional experiences, and school environment for populations of students (e.g., all fourth-graders) and groups within those populations (e.g., female students, Hispanic students).