This unit begins with an introduction to the historical development of test theory and how modern test theory has superseded traditional test theory in many applications, especially in large-scale assessments. In particular, students learn how Rasch measurement incorporates, elaborates and better achieves the goals of traditional test theory.<br/><br/>The unit includes lectures on the formalisation and calculation of traditional reliability and reliability in Rasch models, the concept of validity in both traditional and modern test theory, the concepts of invariance and sufficiency in Rasch measurement, diagnosing the fit of responses to the Rasch model, and the Rasch model for... -- Course Website
Instructor: Winthrop Professor David Andrich and Research Assistant Professor Ida Marais
