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. 2019 Jul 8;31(10):1264–1277. doi: 10.1037/pas0000743

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© 2019 The Author(s)

This article has been published under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Copyright for this article is retained by the author(s). Author(s) grant(s) the American Psychological Association the exclusive right to publish the article and identify itself as the original publisher.

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Item information curves of nine “worries about cognition” items for informant-report HRQL (DEMQOL-Proxy Model 3). HRQL = health related quality of life.