TY - JOUR T1 - Short- And Long-Term Word Clustering Effect on Vocabulary Learning of EFL Learners: A Case of Semantic Versus Phonological Clustering JF - Teaching English as a Second Language Y1 - 2017, LA - EN LK - ensani.ir VL - 2017, IS - 4 UR - http://ensani.ir/fa/article/386407 SP - 1 EP - 31 ID - 386407 AU - سید محمدرضا امیریان AU - مرتضی بنجخی AU - گلناز صباغ زاده KW - factor structure invariance KW - language proficiency KW - multigroup confirmatory factor analysis KW - university entrance examination ER -