1. Achieve. (2015).Proficient vs. prepared: Disparities between state tests and the 2013 National Assessment of Educational Progress (NAEP).https://www.achieve.org/files/NAEPBriefFINAL051415_0.pdf
2. Achieve. (2016).State test results are getting closer to student achievement on NAEP: Parents students and teachers benefit.https://www.achieve.org/files/ProficiencyvsPrepared2.pdf
3. Achieve. (2018).Proficient vs. prepared 2018: Disparities between state tests and the 2017 National Assessment of Educational Progress (NAEP).https://www.achieve.org/files/Proficient%20vs.%20Prepared%20May2018_1.pdf
4. Alternative Interpretations of Alternative Assessments: Some Validity Issues in Educational Performance Assessments