1. Promoting second language development with concept-based language instruction and intelligent computer-assisted language learning Open Access Author: Ai, Haiyang Title: Promoting second language development with concept-based language instruction and intelligent computer-assisted language learning Graduate Program: Applied Linguistics Keywords: second language acquisitioncomputer-assisted language learningba-constructionVygotskyzone of proximal development File: Download Haiyang_Ai_Dissertation_Final_Revision.pdf Committee Members: Xiaofei Lu, Dissertation Advisor/Co-AdvisorXiaofei Lu, Committee Chair/Co-ChairJames Lantolf, Committee MemberCeleste S Kinginger, Committee MemberMatthew Edward Poehner, Committee Member