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Showing 2 results for Safari
Mohammad Khatib, Mahmood Safari,
Volume 15, Issue 2 (9-2012)
Abstract
Most of the studies in Interlanguage Pragmatics have focused on the performance and acquisition of speech acts by nonnative speakers, considering politeness only as a subsidiary issue. The present study pertains to linguistic politeness and attempts to investigate the effects of different teaching methods on the acquisition of English politeness strategies (PSs). Eight groups of freshman and junior English majors were randomly assigned to three experimental groups (enhanced input, explicit teaching, and role play) and one control group (mere exposure). The participants took a TOEFL test, a pretest, and finally a posttest after a seven-week treatment of a list of PSs. The results indicated that instruction has a significant positive influence on the acquisition of PSs and explicit teaching is significantly the most effective method. Role play and input enhancement were the second and third most effective. Moreover, it was shown that although the level of language proficiency significantly influenced the knowledge of PSs (the ability to recognize appropriate PSs for each social context), it did not affect the acquisition of PSs. The findings imply that the instruction of PSs can be started at intermediate level and explicit teaching alongside role play activities will greatly benefit language learners.
, ,
Volume 16, Issue 2 (9-2013)
Abstract
In response to the increasing interest in and need for a practical brief measure in language testing, this study explored the properties of an offline short-form test (OSF) versus a conventional lengthy test. From the total of 98 vocabulary items pooled from the Iranian National University Entrance Exams, 60 items were selected for the conventional test (CT). To build the OSF, we created an item bank by examining the item response theory (IRT) parameter estimates. Data for the IRT calibration included the responses of 774,258 examinees. Upon the results of the item calibration, 43 items with the highest discrimination power and minimal guessing values from different levels of ability were selected for the item bank. Then, using the responses of 253 EFL learners, we compared the measurement properties of the OSF scores with those of the CT scores in terms of the score precision, score comparability, and consistency of classification decisions. The results revealed that although the OSF generally did not achieve the same level of measurement precision as the CT, it still achieved a desired level of precision while lessening the negative effects of a lengthy test. The results also signified an excellent degree of correspondence between OSF and CT scores and classification results. In all, findings suggest that OSF can stand as a reasonable alternative for a longer test, especially when conditions dictate that a very short test be used.
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