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Direct linkCoffman, Donna L. – Structural Equation Modeling: A Multidisciplinary Journal, 2011
Mediation is usually assessed by a regression-based or structural equation modeling (SEM) approach that we refer to as the classical approach. This approach relies on the assumption that there are no confounders that influence both the mediator, "M", and the outcome, "Y". This assumption holds if individuals are randomly…
Descriptors: Structural Equation Models, Simulation, Regression (Statistics), Probability
Peer reviewedNicholls, Paul Travis – Journal of the American Society for Information Science, 1987
Describes and compares eight methods of estimating the parameters of the Zipf distribution. (CLB)
Descriptors: Comparative Analysis, Estimation (Mathematics), Mathematical Models, Predictive Measurement
Download full textValdes, Alice L. – 1987
Prepared by a state educational planning committee, this report uses key indicators to describe the status of the Delaware school system. Sets of comparative data selected from various national studies and from state surveys appear throughout the report. The statistical material is supplemented with descriptions of trends and discussions of the…
Descriptors: Academic Achievement, Comparative Analysis, Educational Assessment, Educational Environment
