Abstract: This study aimed at finding the relationship among brain hemispheric dominance, gender, attitudes towards L1 and L2, and learning suprasegmental features in Iranian EFL learners. To this end, 200 Intermediate EFL students were selected from different English language teaching institutes in Hamedan and Isfahan as the sample. Prior to the main stage of the study, Oxford Placement Test (OPT) was used to homogenize the proficiency level of all the participants. Then, the participants were asked to complete the Edinburgh Handedness Questionnaire to determine their dominant hemisphere. They were also required to answer two questionnaires regarding their attitudes towards L1 and L2. Finally, the participants took the suprasegmental features test. The results of the independent samples t-tests indicated left-brained language learners’ superiority in observing and learning suprasegmental features. It was also found that females are better than males in producing suprasegmental features. Furthermore, the results of Pearson Correlations indicated that there is significant relationship between attitude towards L2 and learning suprasegmental features. However, no significant relationship was found between attitude towards L1 and learning English suprasegmental features. The findings of this study can provide English learners, teachers and developers of instructional materials with some theoretical, pedagogical and testing implications which are discussed in the paper.
