Introduction to Advances in Applications of Rasch Measurement in Science Education

This chapter provides an overview of applications of Rasch measurement in science education. This chapter discusses issues and best practices in applications of Rasch measurement related to difference between one-parameter Item Response Theory (IRT) models and Rasch models, role of theory in Rasch measurement, sample size, fit statistics, local independence and unidimensionality, Wright maps, linking measures, and using Rasch scale measures for statistical analysis. Finally, the chapter introduces the other 17 chapters included in this book.