Maher, Kate, and Jim King. “Observing Anxiety in the Foreign Language Classroom: Student Silence and Nonverbal Cues”. The Journal for the Psychology of Language Learning 2, no. 1 (July 23, 2020): 116–141. Accessed April 19, 2026. https://mail.jpll.org/index.php/journal/article/view/maher_king.