Course Description
An introduction to Rasch Measurement Theory (RMT). RMT offers a modern theoretical framework for solving a variety of measurement problems related to the validity, reliability, and fairness of scores. This course is relevant for students in psychology, sociology, education, business, and other social sciences.
Athena Title
Rasch Measurement Theory
Prerequisite
ERSH 8610
Semester Course Offered
Offered fall
Grading System
A - F (Traditional)
Course Objectives
1. Students will explore Rasch measurement theory for modeling dichotomous data. 2. Students will develop an historical and philosophical perspective on the test-score and scaling traditions for measurement in the social and behavioral sciences. 3. Students will understand the distinctive philosophy of measurement (invariant measurement) underlying Rasch measurement theory. 4. Students will learn to apply Rasch measurement theory to solve practical problems encountered in a variety of settings.
Topical Outline
1. Introduction and overview - Method and meaning of Rasch measurement theory 2. Invariant measurement - What is invariant measurement? - What are Rasch models? 3. Dichotomous Rasch model 4. Historical and comparative perspectives on measurement - What are measurement theories? 5. Methods of estimation for the dichotomous Rasch model - Dichotomous model for Rasch measurement - Methods of estimation - Non-iterative estimation methods - Iterative estimation methods 6. Model-Data fit for the dichotomous Rasch model - Conceptual framework for model-data fit based on residual analyses 7. Solving measurement problems with the Rasch model (dichotomous data) - Item and test development - Equating, linking and item banking - Differential item functioning - Differential person functioning
Syllabus
Public CV