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. 2020 Aug 31;11:573530. doi: 10.3389/fpsyt.2020.573530

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Copyright © 2020 Zhang, Zhang, Zhao, Li, Cook, Buysse, Zhao and Yao

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Scree plots of actual versus randomly generated eigenvalues in parallel analysis. Eigenvalues 1 and greater than the corresponding eigenvalue from the random data (either the average or the 95th percentile) were retained.