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Dijital Arşivi

Rater effects and foci in the oral assessment process of English test for aviation personnel

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dc.contributor Graduate Program in English Language Education.
dc.contributor.advisor Erçetin, Naciye Gülcan.
dc.contributor.author Rahtuvan, Elif.
dc.date.accessioned 2023-03-16T12:08:59Z
dc.date.available 2023-03-16T12:08:59Z
dc.date.issued 2021.
dc.identifier.other FLED 2021 R34
dc.identifier.uri http://digitalarchive.boun.edu.tr/handle/123456789/16626
dc.description.abstract Miscommunication in global aeronautical transmissions may lead to severe incidents and accidents in the aviation sector. In order to maintain flawless communication, International Civil Aviation Organization (ICAO) introduced Language Proficiency Requirements (LPR) and a Proficiency Rating Scale to aviation English test holders in 2003 (Alderson, 2009). However, several aviation English tests fail to provide detailed information about their reliability and validity (Alderson, 2011). Thus, this study intends to present evidence for rater effects and the areas they focus in the oral assessment part of English Test for Aviation Personnel (ETAP). Based on a theoretical model of a language for specific purposes (LSP) system by O’Sullivan and Weir (2011), the accuracy of raters’ decisions in ETAP was investigated. Four ETAP raters participated in the study and evaluated eight pilots’ oral performances while they were taking an eight-week-long online rater training. The assigned scores by ETAP raters were analyzed via Multi-Faceted Rasch Model (MFRM) (Linacre, 1989) by concentrating on rater severity/leniency, consistency, bias and central tendency effect. Through qualitative data including the raters’ verbal reports, the study also aimed to explore ETAP raters’ foci when evaluating oral performances. The results demonstrated raters’ rating consistency with rare rater effects and high rater reliability. Besides, six common foci were drawn from the study that can be utilized in future rater training sessions in order to improve ETAP, its testing process and ETAP rating scale.
dc.format.extent 30 cm.
dc.publisher Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2021.
dc.subject.lcsh Aeronautics, Commercial -- Employees -- Language.
dc.subject.lcsh Language and languages -- Ability testin.
dc.title Rater effects and foci in the oral assessment process of English test for aviation personnel
dc.format.pages xi, 108 leaves ;


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