1. Achieve 2014 State Science Education Standards Comparison Tool (Version 1) https://www.nextgenscience.org/sites/default/files/Standards%20Comparison%20Tool%20July%201%202014.pdf
2. Achieve 2016 EQuIP rubric for lessons & units: science (Version 3.0) https://www.nextgenscience.org/sites/default/files/EQuIPRubricforSciencev3.pdf
3. Achieve 2017 Primary evaluation of essential criteria (PEEC) for Next Generation Science Standards instructional materials design (Version 1.0) https://www.nextgenscience.org/peec
4. Alonzo , A. 2013 What can be learned from current large-scale assessment programs to inform assessment of the Next Generation Science Standards?