Human-Guided AI Interaction in Task-Based Language Teaching: Effects of ChatGPT and Embodied Multimodal Conversational AI in Mixed Reality on ESL Learners’ Job Interview Anxiety and Oral Performance
This quasi-experimental study demonstrates that while both ChatGPT and Mixed Reality-based embodied AI significantly improve ESL learners' job interview oral performance compared to traditional instruction, with the embodied AI yielding the greatest gains, neither modality produced statistically significant reductions in speaking anxiety, highlighting the continued necessity of human instructors in technology-enhanced language learning.