درخت حوزه‌های تخصصی

Academic discourse has always been the focus of many linguists, especially those who have been involved with English for Academic Purposes (EAP) and discourse analysis. Persuasion, as part of rhetorical structure of academic writing, is partly achieved by employing modality markers.  Adopting a descriptive design, the present study was carried out to compare the use of modality markers in terms of frequency and their categorical distribution in two academic books, written in English, in the field of Applied Linguistics by native English and non-native Iranian authors.  Quirk, Greenbaum, Leech, and Svartvik’s (1985) model of modality was employed as an analytical framework to identify the type of modal verbs. The frequency of different types of modal verbs was calculated per 100000 words and the significance of difference in their distribution was checked through Chi-square nonparametric inferential statistics. The results of the statistical analyses did not show any significant difference in the overall distribution of modality (both epistemic and root) markers.  However, significant differences were observed in the categorical distributions of modal verbs in two corpora. The results were attributed to the non-native writers’ lack of awareness of the conventional rules of English rhetoric, and the lack of explicit instruction in this field. The findings could offer pedagogical implications for those involved in syllabus design and materials development in general and English writing courses in particular.

This study examines the potential connections among learners’ willingness to communicate (WTC) in English, their perceptions of autonomy-supportive teaching and two individual difference variables, i.e. motivation and English speaking self-efficacy. Two hundred and five Iranian EFL learners responded to four questionnaires. The data obtained from the collected instruments were subjected to structural equation modeling (SEM). The findings revealed significant positive paths from autonomy-supportive teaching to motivation, WTC in English, and English speaking self-efficacy. Further significant paths were found leading from motivation to WTC and from English speaking self-efficacy to motivation. The findings also indicated that autonomy-supportive teaching style and English speaking self-efficacy could indirectly affect learners’ WTC through the mediation of motivation. Furthermore, autonomy-supportive teaching was found to indirectly predict learners’ motivation through the mediating role of self-efficacy. The implications of the study for teachers and teacher educators are discussed.

Vocabulary is one of the essential components of language and learning phrasal verbs as part of vocabulary is quite challenging for foreign language learners. The present study aimed at investigating the effects of visual and auditory input enhancement on learning non-congruent phrasal verbs. The participants of the study were 90 intermediate English language learners who were divided into two experimental and one control groups. The first experimental group received visual input enhancement and the second experimental group auditory input enhancement, and the control group no enhanced material. All three groups were tested on their knowledge of non-congruent phrasal verbs before and after the treatment, using a non-congruent phrasal verb test developed by the researcher. The results of the data analyses indicated that both visual and auditory input enhancement were effective in learning non-congruent phrasal verbs by Iranian EFL learners, and that both groups outperformed the control group in their achievement. 

The purpose of the present study is to analyse abstracts related to Applied Linguistics, and more precisely the discourse functions of grammatical subjects and verbs. The corpus consisted of 50 PhD thesis abstracts written on the subject of Applied Linguistics. All of the abstracts were written from 2010 to 2014. The theses from which the abstracts were extracted are available in the ProQuest database. Based on the model put forth by Swales and Feak (2004), the elements of the abstracts were identified. In accordance with Ebrahimi (2014), frameworks were used to analyse discourse functions, while the realisation of grammatical subjects and verbs was analysed for tense types. The results revealed that the “introducing part of study” and “research-related objects” were the predominant types of grammatical subjects. Indeed, these performed more discourse functions in Applied Linguistics PhD thesis abstracts compared with other grammatical subject types. The results also indicated that simple past tense was predominant in aim, method, and results sections, while the simple present was predominant in the background and conclusion sections.

This study investigated the effectiveness of colligational corpus-based instruction on enhancing the pragmalinguistic knowledge of speech act of request among Iranian intermediate EFL learners. The objective of the study was to find out whether or not providing students with corpora through using colligational instruction had any significant effects on enhancing their pragmalinguistic knowledge and, hence, speech act learning. Sixty participants from several institutes in Mazandaran Province, Iran, participated in the study. They were all intermediate- level students, and were divided into two homogeneous groups (30 each) of experimental and control groups based on the OPT results. A multiple discourse completion test was then administered to both groups as the pretest to measure their ability and knowledge in using the speech act of request. Subsequently, the treatment started where the experimental group received corpus-based instruction through colligational practices, while the control group practiced learning the same speech act through traditional or common methods of learning speech acts (i.e., using textbooks, audios, and videos). After 15 sessions of training, a posttest of multiple discourse completion test was administered. The data were analyzed using paired- and independent-samples t tests. In order to increase the validity of the results, the researchers observed and interviewed all the participants, too. The results that learning of the speech act of request improved significantly better through corpus-based instruction vis-à-vis traditional method of teaching colligations.

When constructing a test, an initial decision is choosing an appropriate item response format which can be classified as selected or constructed. In large-scale tests where time and finance are of concern, the use of response chosen known as multiple-choice items is quite widespread. This study aimed at investigating the impact of response format on the performance of structure tests. Concurrent common item equating design was used to compare multiple-choice items with their constructed response stem-equivalent in a test of grammar. The Rasch model was employed to compare item difficulties, fit statistics, ability estimates and reliabilities of the two tests. Two independent sample t-tests were also conducted to investigate whether the differences among the item difficulty estimates and ability estimates of the two tests were statistically significant.  A statistically significant difference was observed in item difficulties. However, no significant difference was detected between the ability estimates, fit statistics, and reliabilities of the two tests.

This meta-analysis is an investigation into the impressibility of two dimensions of the speaking skill, namely accuracy and fluency, in relation to the experimented treatments among Iranian EFL undergraduates. Having surveyed a collected bank of 74 research reports, the relationships among the variables in the 14 included studies were examined. More specifically, the analysis involved a statistical review of 67 effect sizes (at 95% CI) calculated from studies conducted between 2006 and 2016, including 890 participants. The analysis indicated that in 77% of the experimented treatments, the students performed as well as the students in the regular programs with no significant improvement in oral accuracy. The analysis also demonstrated that 63% of the treatments did not yield significant improvement in oral fluency in comparison with the regular instruction. Moreover, the synthesis of the effects of the contextual factors showed that low-level (i.e., elementary) learners experienced a better improvement in speaking performance. The analysis also revealed that, among the experimented treatments, dialogic tasks were most effective on oral accuracy while interviews were influential in promoting the students’ both oral accuracy and fluency. Finally, the quality of the study reports was analyzed and some directions for further research were suggested.