TY - JOUR N2 - In our precursor research (Saito & Akiyama, 2017 in Language Learning), we reported that one academic semester of video-based L2 interaction activity was facilitative of various dimensions of the Japanese learners? spontaneous production ability development (e.g., comprehensibility, fluency and vocabulary). In this paper, we aimed to revisit the dataset to examine the effects of long-term interaction on the development of L2 comprehension ability. Consistent with the interactionist account of L2 comprehension ability development, the results showed that longitudinal interaction enhanced Japanese learners? comprehension (measured via a general listening proficiency test), as it provided opportunities for comprehensible input and output (measured via video-coding analyses) during meaning-oriented discourse. IS - 1 VL - 52 A1 - Saito, K A1 - Akiyama, Y Y1 - 2018/03// ID - discovery10066322 N1 - This version is the author accepted manuscript. For information on re-use, please refer to the publisher?s terms and conditions. SN - 0039-8322 EP - 176 JF - TESOL Quarterly AV - public UR - https://doi.org/10.1002/tesq.362 SP - 163 TI - Effects of Video-Based Interaction on the Development of Second Language Listening Comprehension Ability: A Longitudinal Study ER -