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This study was designed to assess the relative contributions of vocabulary and syntactic knowledge as predictors of reading comprehension performance. It also sought to investigate the interrelationship between syntactic and word knowledge and reading comprehension performance. Participants included 159 male freshman and sophomore Iranian high school students. Data were collected through the reading section of a retired version of Preliminary English Test (2004), Vocabulary Levels Test, Word Associates Test, and Syntactic Knowledge Test. The results revealed that both grammar and vocabulary scores correlated positively with reading comprehension scores. Also, vocabulary correlated significantly with reading comprehension but not as strongly as syntactic knowledge did. Our analysis revealed that syntax explains a larger portion of the reading variance. To examine whether depth / breadth of vocabulary knowledge or syntax may have more predictive power in reading comprehension performance, multiple-regression analysis was conducted. Beta values indicated that grammar made statistically significant contribution to reading comprehension, although other variables explained the variance on the reading test. The results offer new insights into the significant mediating influence that learner’s knowledge of grammar may have in reading comprehension at low intermediate level.  

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Discrimination in the education system and curricula is not limited to disadvantaged groups, and this issue is also evident in textbook content. The important role of textbooks in classrooms is undeniable. In this regard, the present study examined Iranian high school English textbooks named the “Vision” and “Prospect” series, as well as one of the localized English textbook series in Iran, the “Eight” series, focusing on the images contained in these books. In this study, Multimodal Critical Discourse Analysis (MCDA), proposed by Machin and Mayr (2012), was employed as the theoretical framework to critically examine the images in these textbooks. The findings of this study showed that a form of neoliberalism, as conceptualized by Fairclough (1993), is present in these books, the consequence of which is the depiction of luxurious and lavish schools instead of ordinary schools; this does not benefit underprivileged groups, as they are unable to afford the costs of privatization and are dependent on government support. In addition, in the “Eight” series, images based on the target-language culture are more frequently observed. This can prompt greater attention to images rooted in Iranian culture, which would help learners better understand the content and make it more tangible for them. This study can offer suggestions for improving and enhancing the “Eight” series.