美日流行歌词差异：美国强调高唤醒积极情绪，日本强调低唤醒积极情绪

According to affect valuation theory (Tsai et al., 2006), culture shapes the emotions people ideally want to feel. In middle-class European-American settings, people usually report that they would ideally like to feel high-arousal positive (HAP) emotions (enthusiastic, excited, and elated). In Asian American and East-Asian settings, people are more likely to report ideally wanting to feel low-arousal positive (LAP) emotions (calm, relaxed, and peaceful). We tested whether popular song lyrics in the United States and Japan reflect these values. We collected the lyrics of the 100 most popular songs from each year between 1968 and 2015 from the United States and Japan ( N = 7,464). A natural language processing tool called Contextualized Construct Representation (Chen et al., 2024) estimated HAP and LAP content in each song. Lyrics were higher on ideal than actual positive emotions. U.S. American popular songs scored higher on ideal and actual HAP, and Japanese popular songs scored higher on ideal and actual LAP. Longitudinal analyses showed that both HAP and LAP increased slightly over time in Japan, while HAP declined slightly in the United States. (PsycInfo Database Record (c) 2026 APA, all rights reserved)

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