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 <https://nces.ed.gov/nationsreportcard/naepdata/>. NAEP 2009 (https://nces.ed.gov/nationsreportcard/) is a cross-sectional …