Applications of Rasch model in the Liket scale
Jian Guo Liu · Journal of Guizhou Normal University · 2012
This paper talked about the inherent defect of the CTT in the analysis to the Liket Scales,that is test dependent and sample dependent,the irrationality of the scoring process between the items and between the options in the same item;And then,illustrated Rasch Model how to resolve these problems with real cases,and testify the objectivity of these methods.By comparing,Rasch Model is an objective and interval measurement model.