Psychometric Evaluation of the Defense Styles Questionnaire 40 (DSQ-40) In A Sample of University Students

Patricia Pawa, Piti and Siti Raudzah, Ghazali (2021) Psychometric Evaluation of the Defense Styles Questionnaire 40 (DSQ-40) In A Sample of University Students. Global Business and Management Research: An International Journal, 13 (2). pp. 158-167. ISSN 1947-5667

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Abstract

The study aimed to evaluate the psychometric properties of the DSQ-40 on a sample of university students. A total of 120 university students from Faculty of Sports Science and Recreation, UiTM, aged 18 – 24 years old with a mean BMI= 22.71 ± 4.44 kg/m2 participated in this study. Participants were 65% male and 35% female. The internal consistency assessed found an acceptable average inter-item correlation and corrected inter-item correlation. The Cronbach's alpha of the three defense styles and overall DSQ-40 was reported high in both times assessed. Test-retest reliability of a two-week interval proof a stable measurement of the defense styles. Criterion validity was obtained with a significant relationship between mature defense style and BMI. There were significant relationships between defense styles, indicated the existent of the construct validity of the instrument. In differentiating the defenses between age groups, gender, and BMI categories, there was no significant difference (p > .05). The present study confirms the applicability of the DSQ-40 in measuring defense styles among nonclinical university students. It is concluded that DSQ-40 can be used for assessing defense styles among university students, a non-clinical population.

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