The article “The uniqueness of subjective ageing: convergent and discriminant validity”, written by Svenja M. Spuling, Verena Klusmann, Catherine E. Bowen, Anna E. Kornadt and Eva-Marie Kessler., was originally published electronically on the publisher’s internet portal on 09 October 2020 without open access. With the author(s)’ decision to opt for Open Choice the copyright of the article changed on 05 January 2021 to © The Author(s) 2021 and the article is forthwith distributed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0.

Svenja M. Spuling，Verena Klusmann，Catherine E. Bowen，Anna E. Kornadt和Eva-Marie Kessler撰写的文章“主观年龄的独特性：收敛性和判别有效性”最初是通过电子方式在出版商的互联网门户上发布的2020年10月9日开放。由于作者决定选择“开放式选择”，文章的版权于2021年1月5日更改为©作者2021，并且该文章随即随知识共享署名4.0国际许可分发，该许可允许使用，共享，改编，发行和以任何媒介或格式的复制，只要您对原始作者和原始来源给予适当的感谢，提供知识共享许可的链接，并指出是否进行了更改。本文的图像或其他第三方材料包含在该文章的知识共享许可中，除非在该材料的信用栏中另有说明。如果该材料未包含在该文章的创用CC许可中，并且您的预期用途是法律法规所不允许或超出允许的用途，则您需要直接从版权所有者那里获得许可。要查看此许可证的副本，请访问http://creativecommons.org/licenses/by/4.0。