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Schuster, Christof2
von Eye, Alexander2
Kreppner, Kurt1
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Schuster, Christof; von Eye, Alexander – Journal of Adolescent Research, 2001
Demonstrates how different experimental designs arise from variation of three basic distinctions: block versus treatment factors, fixed versus random factors, and crossed versus nested factors. Argues that understanding how these distinctions influence statistical analysis can reduce amount of experimental design. Presents an example of this by…
Descriptors: Analysis of Variance, Measurement Techniques, Models, Research Design
Peer reviewed Peer reviewed
von Eye, Alexander; Schuster, Christof; Kreppner, Kurt – Journal of Adolescent Research, 2001
Discusses the effects of sampling scheme selection on the admissibility of log-linear models for multinomial and product multinomial sampling schemes for prospective and retrospective sampling. Notes that in multinomial sampling, marginal frequencies are not fixed, whereas for product multinomial sampling, uni- or multidimensional frequencies are…
Descriptors: Measurement Techniques, Models, Research Design, Research Methodology