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Child Development

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Estimating Individual Developmental Functions: Methods and Their Assumptions.

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Burchinal, Margaret; Appelbaum, Mark I. – Child Development, 1991

Quantitative growth curve models for estimating individual developmental functions from various types of longitudinal data are discussed in the context of investigator assumptions and research design characteristics. Linear and nonlinear models that estimate growth curves are illustrated, and contrasted when they are fit to speech development…

Descriptors: Children, Individual Development, Individual Differences, Language Acquisition

National Education Longitudinal Study of 1988. Second Follow-Up: Student Component Data File User's Manual.

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Ingels, Steven J.; And Others – 1994

This manual familiarizes data users with the procedures followed for data collection and processing of the second follow-up student component of the National Education Longitudinal Study of 1988 (NELS:88), with the corollary objective of providing necessary documentation for use of the data file. Chapter 1 presents an overview and history of the…

Descriptors: Data Collection, Data Processing, Educational History, Followup Studies