The ability to engage flexibly with thoughts and behavior in line with the demands of a situation—termed psychological flexibility—has been linked to individual well‐being. This registered report presents two studies that investigate the links between psychological flexibility, individual well‐being, and relationship quality. Using structural equation modeling, Study 1 found that people who were more psychologically flexible reported higher levels of positive affect and lower levels of negative affect, which in turn were associated with higher relationship quality. Using dyadic mediation analysis, Study 2 replicated and extended these findings in a sample of 200 romantic couples, revealing both actor and partner effects. This research offers insight into the implications of psychological flexibility for relationship functioning.

中文翻译：

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探索心理灵活性，个人幸福感和关系质量之间的联系

能够根据情况的要求灵活地与思想和行为互动的能力-被称为心理灵活性-与个人福祉息息相关。这份注册报告提供了两项研究，研究了心理灵活性，个人幸福感和关系质量之间的联系。研究1使用结构方程模型，发现在心理上更灵活的人报告较高的正面情感水平和较低的负面情感水平，进而与较高的关系质量相关。使用二元调解分析，研究2在200对浪漫情侣的样本中复制并扩展了这些发现，揭示了演员和伴侣的影响。这项研究提供了洞察力的心理灵活性对关系功能的影响。