Score Dependability of a Speaking Test of Turkish as a Second Language: A Generalizability Study

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Boğaziçi Üniversitesi Eğitim Dergisi
Volume:34 Issue:1 Special Issue
Score Dependability of a Speaking Test of Turkish as a Second Language: A Generalizability Study

Score Dependability of a Speaking Test of Turkish as a Second Language: A Generalizability Study

Authors : Talip GÜLLE, Gülcan ERÇETİN

Pages : 75-105

View : 55 | Download : 13

Publication Date : 2018-12-17

Article Type : Research Paper

Abstract :Test developers have to attend to all aspects of validity throughout test development and implementation. As one of the major aspects, scoring validity has to be established for the dependability of scores assigned to a test performance. This study is an investigation into the scoring validity of a speaking test of Turkish as a second language (TSL). For this purpose, in this study, six tasks and a rating scale were developed and administered to twenty-four L2 learners of Turkish whose performance was evaluated by four raters. The score dependability was investigated through Generalizability (G) and Decision (D) analyses. The results indicated that most of the score variation could be attributed to test takers, and not to error variance, i.e. raters and tasks.
Keywords : Assessing speaking in Turkish as a second language, scoring validity, generalizability analysis

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