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<p>While some are neutral, many psychological constructs (e.g., depression, learning motivation, or antisocial behavior) carry clear directional expectations that align with social or ethical principles and values. When a construct is framed with the goal of moving toward its socially desirable direction, it becomes a meaningful psychological objective to pursue. People pursue different objectives in their daily lives, sometimes simultaneously. During this process, tradeoffs occur when objectives are in tension or conflict (e.g., speed and accuracy in problem-solving), meaning they cannot be consistently improved without compromising one another. While certain psychological tradeoffs have been well studied, others remain underexplored or possibly even unidentified. One critical reason is that mainstream analytic methods used in psychological research are not designed to investigate such tradeoffs. Fortunately, a suitable method has long existed in other disciplines. Pareto optimization (PO) is an effective analytic framework widely applied in fields such as biology, economics, and engineering to investigate tradeoffs among multiple competing objectives. In this tutorial, we review the core conceptual and methodological foundations of PO and aim to bring this classic method to a psychological audience. Moreover, we develop a user-friendly R Shiny application (named PO-Run) for conducting PO analyses and adapt the Marginal Rate of Substitution Index from econometrics to quantify psychological tradeoffs. The application can be accessed via <a href="https://paretooptimization.shinyapps.io/Pareto/">https://paretooptimization.shinyapps.io/Pareto/</a>, and its utility is further illustrated through a real-world psychological example. Methodological considerations, guidance for using results, and future directions for advancing the PO method are discussed.</p>

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Exploring psychological tradeoffs: Developing and demonstrating an R Shiny app for Pareto optimization

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年6月30日

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  • Yixiao Dong,
  • Deodatta Baral,
  • Kushmakar Baral,
  • Denis Dumas

摘要

While some are neutral, many psychological constructs (e.g., depression, learning motivation, or antisocial behavior) carry clear directional expectations that align with social or ethical principles and values. When a construct is framed with the goal of moving toward its socially desirable direction, it becomes a meaningful psychological objective to pursue. People pursue different objectives in their daily lives, sometimes simultaneously. During this process, tradeoffs occur when objectives are in tension or conflict (e.g., speed and accuracy in problem-solving), meaning they cannot be consistently improved without compromising one another. While certain psychological tradeoffs have been well studied, others remain underexplored or possibly even unidentified. One critical reason is that mainstream analytic methods used in psychological research are not designed to investigate such tradeoffs. Fortunately, a suitable method has long existed in other disciplines. Pareto optimization (PO) is an effective analytic framework widely applied in fields such as biology, economics, and engineering to investigate tradeoffs among multiple competing objectives. In this tutorial, we review the core conceptual and methodological foundations of PO and aim to bring this classic method to a psychological audience. Moreover, we develop a user-friendly R Shiny application (named PO-Run) for conducting PO analyses and adapt the Marginal Rate of Substitution Index from econometrics to quantify psychological tradeoffs. The application can be accessed via https://paretooptimization.shinyapps.io/Pareto/, and its utility is further illustrated through a real-world psychological example. Methodological considerations, guidance for using results, and future directions for advancing the PO method are discussed.