Subjects: Psychology >> Social Psychology submitted time 2024-04-08
Abstract： As an indispensable behavior in human social activities, cooperation has attracted the great attention of scholars in various fields. Although previous studies have proved that shared experiences can promote cooperative behavior, little attention has been paid to the social event-based shared experiences that interact with others in life. Especially, little attention has been paid to task-based co-experiences, which are often encountered in life and learning. Therefore, the present study explores the relationship between task-based co-experiences and cooperative behavior, and the changes in cooperative behavior after the task is success or failure. Present study used three experiments to explore the relationship between task-based shared experiences and cooperative behavior, and the role of trust, interpersonal distance, and experience success or failure. In study 1, participants were randomly assigned to either task-type shared experience or task-type different experience conditions. In the task-type shared experience condition, two participants were required to complete the same task (memory task), and in the task-type different experience condition, two participants completed different tasks (memory task or summary task). Using the public goods dilemma to measure cooperative behavior, it is found that cooperative behavior is higher under task-based shared experiences than under task-based different experiences. Study 2 made some improvements on study 1 to rule out other possible explanations, and measured trust and interpersonal distance to explore the mechanisms underlying the relationship between task-based shared experiences and cooperative behavior, and found that trust and interpersonal distance mediate the effects of task-based shared experiences on cooperative behavior. Study 3 further explored the influence of experience success or failure on cooperative behavior, and found that, compared with failed task-based co-experiences, successful task-based co-experiences promoted cooperative behavior more, while different experiences had no effect on cooperative behavior, trust and interpersonal distance, still, mediate process. This study enriched the relevant research on shared experience, and provided some guidance and suggestions for improving group cooperation and promoting group cohesion.
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Subjects: Astronomy >> Astrophysical processes submitted time 2018-05-29 Cooperative journals: 《天文研究与技术》
Abstract： 光学和近红外太阳爆发监测望远镜每天可以获得大量的太阳图像数据，对这些观测数据进行实时选帧处理，一方面可以减轻存储压力，另一方面也可以提高后续图像重建的质量。针对实时观测过程中的选帧要求，设计并实现了一套基于图形处理器的图像选帧实时处理模块，当前的模块已经实现了平均梯度法和谱比法选帧两种算法的高速并行处理。对模块的实现进行了细致的讨论，并比较了两种选帧方法的加速比。实验表明，该模块运行稳定可靠；从执行效率来看，针对近全日面图像的选帧总体执行时间最快为1.2s，比原有串行实现提升了7倍；局部面图最快为0.7s，平均提升了5倍。整体模块的实现与当前性能已经可以满足实时观测与处理的要求。
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