S. Sanders, Nuwan Indika Millagaha Gedara, Bhavneet Walia, C. Boudreaux, M. Silverstein
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引用次数: 2
摘要
砂砾被定义为对长期目标的毅力和激情,在学术和不那么程式化的环境中,砂砾代表了实现目标的重要心理技能。最重要的一个突出问题是,在其他条件不变的情况下,年龄是否会影响砂砾。12项“勇气- 0”量表和8项“勇气- s”量表——用来计算勇气得分——已经不存在很长时间了。因此,Duckworth (2016, p. 37)在她的书《毅力:毅力的力量和激情》中指出,“我们需要一种不同的研究”来区分不同的解释,即世代或年龄在解释个体之间的毅力差异方面更重要。尽管有这种明确的数据限制,我们在本研究中通过使用代际队列内和代际之间的年龄差异方法对未来进行了一瞥。通过在相同的回归规范中指定世代作为分类变量,代中年龄作为计数变量,我们能够同时解释年龄和世代变化的影响,同时避免多重共线性问题,这将阻碍回归后的统计推断。我们得出了强有力的、有意义的证据,表明砂年龄剖面的负抛物线形状是由代际变化而不是年龄变化驱动的。我们的研究结果表明,如果没有勇气心态的干预,个人层面的勇气可能会持续一段时间。
Does Aging Make Us Grittier? Disentangling the Age and Generation Effect on Passion and Perseverance
Defined as perseverance and passion for long term goals, grit represents an important psychological skill toward goal-attainment in academic and less-stylized settings. An outstanding issue of primary importance is whether age affects grit, ceteris paribus. The 12-item Grit-O Scale and the 8-item Grit-S Scale—from which grit scores are calculated—have not existed for a long period of time. Therefore, Duckworth (2016, p. 37) states in her book, Grit: The Power and Passion of Perseverance, that “we need a different kind of study” to distinguish between rival explanations that either generational cohort or age are more important in explaining variation in grit across individuals. Despite this clear data constraint, we obtain a glimpse into the future in the present study by using a within and between generational cohort age difference-in-difference approach. By specifying generation as a categorical variable and age-in-generation as a count variable in the same regression specifications, we are able to account for the effects of variation in age and generation simultaneously, while avoiding problems of multicollinearity that would hinder post-regression statistical inference. We conclude robust, significant evidence that the negative-parabolic shape of the grit-age profile is driven by generational variation and not by age variation. Our findings suggest that, absent a grit-mindset intervention, individual-level grit may be persistent over time.