University of Twente Student Theses


Het meten van waardengericht leven: Validering van de Engaged Living Scale

Mislim, Rana (2013) Het meten van waardengericht leven: Validering van de Engaged Living Scale.

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Abstract:The newly developed Engaged Living Scale (ELS) is a process-specific measure to assess an ‘engaged response style’. The concept was developed by Trompetter et al. (in press) as a questionnaire of Acceptance and Commitment Therapy (ACT) and measures value-directed life. The questionnaire was tested with a clinical and a nonclinical sample with high average age on self-reported manner. The aim of this paper is the evaluation of the ‘construct validity’ and ‘incremental validity’ of the ELS. As Trompetter et al. (in press) did not test the young population, this study focuses on the young population ( = 21.27) in a nonclinical setting (N=75) using self-reporting. For assessing the construct validity the Pearson correlation has been calculated between the subscales and the total score of the ELS and the following questionnaires: the Acceptance and Action Questionnaire (AAQ-II), the Five Facet Mindfulness Questionnaire-Short Form (FFMQ-SF) and the Mental Health Continuum Short Form (MHC-SF). The added value of ELS to the Mental Health questionnaire above and beyond other questionnaires of ACT (AAQ-II and FFMQ-SF) was examined by using the incremental validity. As a result of this study, the ELS indicates a moderate correlation with the AAQ-II, a moderate-to-high correlation with the MHC-SF and a small-to-no correlation with the FFMQ-SF. Additionally, the ELS showed incremental validity in explaining mental health above and beyond acceptance and mindfulness. Based on these findings, this paper comes to the suggestion that the ELS is a useful tool for measuring the ‘engaged response style’ within the ACT framework. But as the correlations between ELS and the other questionnaires of ACT did not provide convincing results in this study, it is highly recommended to further investigate the ELS.
Item Type:Essay (Bachelor)
Faculty:BMS: Behavioural, Management and Social Sciences
Subject:77 psychology
Programme:Psychology BSc (56604)
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