Iranian EFL Journal 79 Title The Effect of Task-Based Language Teaching (TBLT) vs. Content-Based Language Teaching (TBLT) on the Iranian Intermediate ESP Learners' Reading Comprehension Authors Ali Malmir (Ph.D. Candidate of TEFL) Allameh Tabataba’i University, Tehran, Iran. Saied Najafi Sarem (Ph.D. Candidate of TEFL) Islamic Azad University, Science and Research Branch, Iran Ayat Ghasemi (M.A.) MA in TEFL, Ilam University, Ilam Bio Data: Ali Malmir is a PhD candidate of TEFL at Allameh Tabataba’i University, Tehran, Iran. His research interests includes Task-Based Language Teaching (TBLT), Discourse Analysis, Interlanguage Pragmatics, Language Assessment. Email: a.malmir@yahoo.com Saied Najafi Sarem is a PhD candidate of TEFL at Islamic Azad University, Science and Research Branch, Iran. His research interests include Language Learning Strategies, Critical Pedagogy, and Language Assessment. Email: s_najafisarem@yahoo.com Ayat Qassemy has received a MA in TEFL, Ilam University, and Ilam, Iran. His research interests include Task-Based Language Teaching (TBLT), Applied Linguistics, and Critical Pedagogy. Email: arad1357@gmail.com Abstract The present study has tried to investigate the impact of Task-Based Language Teaching (TBLT) vs. Content-Based Language Teaching (CBLT) on the reading comprehension of the intermediate Iranian ESP learners. There were two