Course Description: Study of the nature of contrastive analysis and language error analysis, sources of language errors, types of language errors, as well as the application of work procedures for contrastive analysis and language error analysis to Mandarin language error data from various data sources, both spoken and language error data written language through face-to-face activities, training, structured assignments, independent study, and simulations to produce articles/papers to be presented in class discussions and exhibitions/study program work exhibitions.