A text recommendation system helps language learners find suitable reading materials. Similar to graded readers, most systems assign difficulty levels or school grades to the documents in their database, and then identify the documents that best match the language proficiency of the learner. This graded approach has two main limitations. First,…

This is a comparative study that explores preschoolers' English vocabulary acquisition in Taiwan and tries to look for a better pedagogy. After Taiwan's government announced the policy of developing a "Bilingual Nation," English is the second language in Taiwan. The reforming of English instruction is in urgent need. Under this…