There is a rich literature on perfectionism among gifted individuals, but the results of these individual studies are ambiguous. The present meta-analysis aimed to clarify the nature of the relationship between perfectionism and giftedness by focusing on quantitative studies that compared the perfectionism levels of gifted and nongifted students. Hedge’s unbiased g was used as the effect size metric and a three-level multilevel meta-analytic approach taken to control for dependency among the effect sizes obtained from the same study. The analyses used 63 effect sizes from 14 published studies that indicated there was no significant difference between gifted and nongifted students on perfectionism. The analyses also focused on two moderators: dimensions of perfectionism and grade level. The moderator analysis indicated that perfectionism dimensions were a significant moderator. Gifted students, although not significantly, outscored their nongifted peers on perfectionistic strivings but rated lower on perfectionistic concerns.

中文翻译：

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天才学生是完美主义的吗？元分析

有大量关于天才个体完美主义的文献，但这些个体研究的结果是模棱两可的。本荟萃分析旨在通过重点比较天才和非天才学生完美主义水平的定量研究来阐明完美主义和天才之间关系的性质。Hedge 的无偏 g 被用作效应量度量，并采用三级多级元分析方法来控制从同一研究中获得的效应量之间的依赖性。分析使用了来自 14 项已发表研究的 63 个效应量，表明天才学生和非天才学生在完美主义方面没有显着差异。分析还集中在两个调节器上：完美主义维度和年级水平。调节因素分析表明，完美主义维度是显着调节因素。有天赋的学生虽然不显着，但在完美主义努力上的得分超过了无天赋的同龄人，但在完美主义问题上的得分较低。