By Lamprianou, Iasonas
This unique text provides a step-by-step beginner's guide to applying the Rasch Model in R, a probabilistic model used by researchers across the Social Sciences to measure unobservable ( latent ) variables. Each chapter is devoted to one popular Rasch Model, ranging from the leas...t to the most complex. Through a freely available and user-friendly package, BlueSky Statistics, Lamprianou offers a range of options for presenting results, critically examines the strengths and weaknesses of applying the Rasch Model in each instance, and suggests more effective methodologies where applicable. With a focus on simple software code which does not assume extensive mathematical knowledge, the reader is initially introduced to the so-called simple Rasch Model to construct a political activism variable out of a group of dichotomously-scored questions. In subsequent chapters, the book covers everything from the Rating Scale to the Many-facets Rasch Model. The final chapter even showcases a complete mock manuscript, demonstrating how a Rasch-based paper on the identification of on-line hate speech should look like. Combining theoretical rigor and real-world examples with empirical datasets from published papers, this book is essential reading for students and researchers alike who aspire to use Rasch Models in their research.Read more
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Iasonas Lamprianou is Assistant Professor of Quantitative Methods at the University of Cyprus. He specializes in the operationalization and measurement of latent variables in the social sciences. Iasonas has a long-standing interest on the application of Rasch models on empirical data and has published widely in diverse disciplines such as education, political science, sociology and psychology.
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