Abstract
The present chapter offers a general introduction to item response theory as a measurement model, with a discussion of the sources of random variation in this model. Next, the Rasch model is briefly introduced. Finally, an outline of the subsequent chapters is presented. The chapter emphasizes issues of interpretation; formal definitions are often postponed until later chapters.
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© 1995 Springer-Verlag New York, Inc.
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Molenaar, I.W. (1995). Some Background for Item Response Theory and the Rasch Model. In: Fischer, G.H., Molenaar, I.W. (eds) Rasch Models. Springer, New York, NY. https://doi.org/10.1007/978-1-4612-4230-7_1
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DOI: https://doi.org/10.1007/978-1-4612-4230-7_1
Publisher Name: Springer, New York, NY
Print ISBN: 978-1-4612-8704-9
Online ISBN: 978-1-4612-4230-7
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