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Paul Kornfeld
like any other scientific hypothesis
former superintendent
problem-solving element of each activity offers a great way for children to develop important soft skills such as creativity
Ecological Inference Rien van der Leeden Paul KornfeldThis paper considers the possible effects of making inferences about individuals from aggregate data. It assumes a knowledge of regression analysis, and explores the utility of techniques designed to make the inferences in causal modelling more reliable, including a comparison between ecological regression models and ecological correlation.
