Data Download:
Yuanyuan Chen, Sensitivity of Self-Reported Non-Cognitive Skills to Survey Administration Conditions (with Shuaizhang Feng, James J. Heckman, and Tim Kautz), Proceedings of the National Academy of Sciences of the United States of America（PNAS）《美国国家科学院院报》，first published December 30, 2019. https://doi.org/10.1073/pnas.1910731117.
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