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. 2023 Feb 22;51(6):1265–1286. doi: 10.3758/s13421-023-01401-x

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© The Author(s) 2023

Open AccessThis article is licensed 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/.

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Fig. 1 — Mean overall affective tone of life narratives by participants’ current age. Note. Each point represents a life narrative (N = 698). Trend lines were fitted using the locally weighted polynomial regression (loess) method (α = .5, that is, each local regression to produce the trend lines included 50% of the total data points; cf. Jacoby, 2000) as implemented in the R package ggplot2 (Wickham, 2016). The solid trend line corresponds to the overall mean. The 95% confidence interval for the mean overall affective tone is displayed in grey