Modeling Nonlinear Change via Latent Change and Latent Acceleration Frameworks: Examining Velocity and Acceleration of Growth Trajectories |
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| Authors: | Kevin Grimm Zhiyong Zhang Fumiaki Hamagami Michèle Mazzocco |
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| Affiliation: | 1. Department of Psychology , University of California , Davis;2. Department of Psychology , Notre Dame University;3. Department of Psychiatry , University of Hawaii at Manoa;4. Institute of Child Development, University of Minnesota |
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| Abstract: | A general equadion is presented, covering all arbitrary values for the true population splits, for obtaining the true population phi, given observed cell frequencies for a selected sample, and true population splits. A nongeneral solution is also offered, based on the use of the G Index. Demonstrations with hypothetical data are given. |
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