Adaptation and Psychometric Properties of the Indonesian Version of the Positivity Scale

Naiva Urfi Layyinah; Asteria Devy Kumalasari

Adaptation and Psychometric Properties of the Indonesian Version of the Positivity Scale

Naiva Urfi Layyinah, Asteria Devy Kumalasari

Abstract

Positivity, the tendency to view self, life, and the future positively, and to believe in others, was found to contribute toward an individual’s functioning based on previous studies. A positivity scale in the Indonesian version is needed to understand better Indonesian people’s functioning and improve their well-being. However, the positivity scale was not yet available for Indonesians. This study aimed to adapt the 8-item Positivity Scale into Positivity Scale Indonesian Version (PSIV) and find evidence of its psychometric properties. Data from 218 Indonesians aged 18 years or older were collected using an 8-item PSIV rated on a 5-point scale. The results showed good item discrimination indicated by its corrected-total item correlations (0.35–0.67) and a high internal consistency (α=0.826). The confirmatory factor analysis results after applying the modification model showed that the hypothesized one-factor model fit the criteria indicated by CFI=0.968, TLI=0.950, RMSEA=0.067, SRMR=0.037, and GFI=0.962. The PSIV was correlated with life satisfaction and positive and negative effects. A test-retest reliability conducted on 30 respondents showed a correlation between the first and second times of data collection. Accordingly, PSIV had adequate item discrimination, reliability, and validity. Thus, the PSIV is beneficial to assess the positivity of Indonesian people aged 18 years or older.

Keywords

positivity; positive psychology; scale adaptation

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DOI: 10.15408/jp3i.v11i2.25748