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Constructvaliditeit van de Bermond-Vorst Alexithymia Questionnaire (BVAQ-40) bij alcoholafhankelijke patiënten

Korkis, Lorka (2011) Constructvaliditeit van de Bermond-Vorst Alexithymia Questionnaire (BVAQ-40) bij alcoholafhankelijke patiënten.

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Abstract:Background: Treatment of alcohol dependence requires that patients talk about their mood, feeling and presence of craving. However, there is a group of patients who experience amongst other things difficulty in verbalizing emotions, also called alexithymic. To provide alexithymia patients adequate treatment, it is important to identify alexithymia. This requires a reliable and valid instrument. The BVAQ-40 is a self-report questionnaire that measures alexithymia, but to date it is limited validated in alcohol-dependent patients. Purpose: The purpose of this research is to investigate the reliability and validity of the BVAQ-40 in alcohol-dependent patients. Method: A cross-sectional sample consisting of 111 alcohol-dependent patients received treatment at the clinical, diagnostic and part-time treatment (outpatient) at Tactus instelling voor verslavingszorg. Internal validity was tested for factor structure (with principal component analysis), internal consistency (with Cronbach's alpha), and interrelationships between the BVAQ-40 subscales. All correlations were examined using Pearson correlation coefficients. Convergent and discriminant validity was determined by examining the relationships between the self-report questionnaires BVAQ-40 and Toronto Alexithymia Scale (TAS-20) and Observer Alexithymia scale (OAS) that measure alexithymia. Also the relationships were examined between the BVAQ-40 and depression, anxiety, coping and craving. Results: As well as the internal consistencies as the factor structure as the interrelations between the subscales of the BVAQ-40 were broadly in line with the expectations. As for the convergent and discriminant validity was found that the cognitive factor of the BVAQ-40 is strongly correlated to the TAS-20. And it was note worthy that the self-report questionnaires measuring alexithymia, the BVAQ-40 and the TAS-20 were strongly correlated, in contrast to the observer list the OAS. Also was note worthy that the subscale fantasizing was negatively correlated to two subscales of craving. Conclusion: It was concluded that the BVAQ-40 is a reliable and valid instrument to measure alexithymia. There was a remarkable result, alexithymia could be better predicted by the self-report questionnaires, BVAQ-40 and TAS-20 than with the observer list OAS. It was also noteworthy that the subscale fantasizing of the BVAQ-40 is related to craving, especially for the subscales emotional urge and temptation to drink.
Item Type:Essay (Master)
Faculty:BMS: Behavioural, Management and Social Sciences
Subject:77 psychology
Programme:Psychology MSc (66604)
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