Wahyu Jati Anggoro, Wahyu Widhiarso, and Uichol Kim
The aim of this study was to develop a Happiness Scale based on indigenous psychology approach and identify its psychometric properties. The research was divided into three steps of scenario: . happiness construct exploration based on indigenous psychology approach; 2. Develop the construct into a Happiness Scale (Likert model); and 3. Identify its psychometric properties (reliability and validity). The psychometric properties analyses consist of internal consistency reliability (alpha-Cronbach) and construct validity (convergent-discriminant). Multitrait-multimethod matrix was used on the analysis in order to identify the convergent-discriminant validity (including three comparative scales: Self- Esteem Scale Rosenberg, Self-Esteem Inventory Coopersmith, and PGC Morale Scale). The exploration result shows a unique indicator of happiness in the East native culture (N=604). The psychometric properties analysis show the alpha reliability α = 0.895 and the validity was psychometrically accepted (N= ). The conclusion of this study: happiness is a unique construct that consist of strong contextual aspects and the measurement of a native happiness should used a Happiness Scale that is based on the indigenous psychology approach. Further results will be discussed.
Keywords: indigenous psychology approach, happiness scale, convergent-discriminant validity, multirait-multimethod matrix
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