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How individual characteristics affect university students drop-out:a semiparametric mixed-effects model for an Italian case study

机译:个人特征如何影响大学生的辍学:一个意大利案例研究的半参数混合效应模型

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Universita di Siena, Siena, Italy;Universita di Roma Tre, Rome, Italy;Sapienza Universita di Roma,Rome, Italy;%University drop-out is a topic of increasing concern in Italy as well as in other countries. In empirical analysis, university drop-out is generally measured by means of a binary variable indicating the drop-out versus retention. In this paper, we argue that the withdrawal decision is one of the possible outcomes of a set of four alternatives: retention in the same faculty, drop out, change of faculty within the same university, and change of institution. We examine individual-level data collected by the administrative offices of "Sapienza" University of Rome, which cover 117072 students enrolling full-time for a 3-year degree in the academic years from 2001/2002 to 2006/2007. Relying on a non-parametric maximum likelihood approach in a finite mixture context, we introduce a multinomial latent effects model with endogeneity that accounts for both heterogeneity and omitted covariates. Our estimation results show that the decisions to change faculty or university have their own peculiarities, thus we suggest that caution should be used in interpreting results obtained without modeling all the relevant alternatives that students face.
机译:锡耶纳(Siena)的锡耶纳大学(Universita di Siena),意大利罗马(Rome)的罗马大学(Universita di Roma Tre),意大利罗马(Roma)的萨皮恩扎(Sapienza)罗马大学的辍学​​率在意大利以及其他国家和地区越来越受到关注。在经验分析中,大学辍学率通常是通过一个二元变量来衡量的,该变量表明了辍学率与保留率之间的关系。在本文中,我们认为,退出决定是以下四个备选方案之一的可能结果:留在同一系中,退学,在同一所大学内改变系,以及改变机构。我们研究了罗马“ Sapienza”大学行政办公室收集的个人数据,这些数据涵盖了从2001/2002年到2006/2007学年全日制攻读3年学位的117072名学生。依靠有限混合上下文中的非参数最大似然方法,我们引入了具有内生性的多项式潜在效应模型,该模型既考虑了异质性又忽略了协变量。我们的估算结果表明,更换教职员工或大学的决定具有其自身的特点,因此我们建议在解释所获得的结果时应谨慎行事,而不必对学生面临的所有相关替代方案进行建模。

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