Examining the Psychometric and Psychological Unidimensionality of Writing in English as a Foreign Language
سال انتشار: 1394
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 161
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شناسه ملی سند علمی:
JR_IJLT-5-1_002
تاریخ نمایه سازی: 20 مهر 1400
چکیده مقاله:
The distinction between psychometric and psychological unidimensionality is a very debatable issue in tests of psychological constructs including language ability tests. In the language testing literature, psychometric unidimensionality has been controversially found not to necessarily guarantee psychological unidimensionality and vice versa. This issue provided impetus for this study to see what the analysis of psychometric unidimensionality of writing reveals about its psychological unidimensionality from an a priori construct validity perspective. In this study, Principal Component Analysis, as a frequently used technique in language testing, was employed to investigate unidimensionality. The results of the analysis on a heterogeneous sample of writings by ۱۳۵ EFL learners demonstrate that writing is both psychometrically and psychologically unidimensional only in terms of its linguistic rather than mechanical aspects; however, it does not mean that the mechanical aspects of writing should not be considered in assessing writing.
کلیدواژه ها:
نویسندگان
Masood Siyyari
Science and Research Branch, Islamic Azad University, Tehran, Iran.
Negar Siyari
Shahid Beheshti University, Tehran, Iran.