Differential item functioning of the career aspiration scale within Arab context | Zendy

A. S. Al-Bahrani Muna | Zendy; M. A. S. Al-Lawati Suad | Zendy; A. A. Yousef | Zendy; S. A. Bakkar Bakkar | Zendy; Shaista Khalid | Zendy

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Differential item functioning of the career aspiration scale within Arab context

Author(s) -

A. S. Al-Bahrani Muna,

M. A. S. Al-Lawati Suad,

A. A. Yousef,

S. A. Bakkar Bakkar,

Shaista Khalid

Publication year - 2019

Publication title -

international journal of psychology and counselling

Language(s) - English

Resource type - Journals

ISSN - 2141-2499

DOI - 10.5897/ijpc2019.0570

Subject(s) - cronbach's alpha , differential item functioning , psychology , context (archaeology) , exploratory factor analysis , internal consistency , scale (ratio) , item analysis , construct validity , psychometrics , clinical psychology , item response theory , paleontology , physics , quantum mechanics , biology

The aim of the study was to examine the psychometric properties and the differential items functioning of short version of Career Aspiration Scale (CAS) in a sample of 2700 of Omani high school students. The results of the total score of CAS showed acceptable internal consistency (Cronbach’s α=0.67). An exploratory factor analysis yielded a support for nine items version identifying single construct. Differential item functioning (DIF) analysis confirmed that there were differences on five items concerning gender. DIF analysis performed according to grade showed that the functioning of CAS items was consistent in both grades except for item four. Suggestions were provided for further psychometric investigation of the scale. Key words: Career aspiration scale, differential functioning, gender, grade

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