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首页> 外文期刊>Journal of applied statistics >Growth rate models: emphasizing growth rate analysis through growth curve modeling
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Growth rate models: emphasizing growth rate analysis through growth curve modeling

机译:增长率模型:通过增长率曲线建模强调增长率分析

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摘要

To emphasize growth rate analysis, we develop a general method to reparametrize growth curve models to analyze rates of growth for a variety of growth trajectories, such as quadratic and exponential growth. The resulting growth rate models are shown to be related to rotations of growth curves. Estimated conveniently through growth curve modeling techniques, growth rate models have advantages above and beyond traditional growth curve models. The proposed growth rate models are used to analyze longitudinal data from the National Longitudinal Study of Youth (NLSY) on children's mathematics performance scores including covariates of gender and behavioral problems (BPI). Individual differences are found in rates of growth from ages 6 to 11. Associations with BPI, gender, and their interaction to rates of growth are found to vary with age. Implications of the models and the findings are discussed.
机译:为了强调增长率分析,我们开发了一种重新设定增长曲线模型参数的通用方法,以分析各种增长轨迹(例如二次和指数增长)的增长率。结果表明,增长率模型与增长曲线的旋转有关。通过增长曲线建模技术方便地进行估算,增长率模型具有超越传统增长曲线模型的优势。拟议的增长率模型用于分析国家青年纵向研究(NLSY)的纵向数据,这些数据涉及儿童的数学成绩,包括性别和行为问题的协变量(BPI)。在6到11岁之间的增长率中发现了个体差异。发现与BPI,性别及其与增长率的相互作用的关联随年龄而变化。讨论了模型的含义和发现。

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