Formative feedback can help both learners and teachers confirm the ongoing acquisition of language. In this paper, we propose an approach to support formative teacher feedback by tracking learners' acquisition on foreign language writing. We built a prototype system to extract grammars that have been learned from learners' sentences and provide teachers with learners' acquisition on the grammars. ...Show More
This paper discusses a question authoring function of the Programmed Visual Contents Comparison Method (PVCC). With this method, by comparing two displayed pictures produced by programming samples (a question), a learner must decide which one the programs producing those pictures is the more difficult to build by programming, or if the difficulty is similar for all of them. After the learners answ...Show More
