ABSTRACT Iif Shohaibatul Islamiyah, 2019. The Comparison between Left Hemisphere Dominance Students and Their Right one in Speaking Skill at the Third Semester Of TBI IAIN Madura. Thesis, English Teaching Learning Program (TBI). Tarbiyah Faculty, State Islamic Institute (IAIN) of Madura. Advisor: Abd.Ghofur, M.P.d Keywords: dominant hemisphere, speaking skill Mastering speaking skill is …