Gavrilov-Jerković, Vesna; Jovanović, Veljko; … - In: Journal of Happiness Studies 15 (2014) 2, pp. 455-474
. The results of the confirmatory factor analysis and content validity support shortening the scale to 9 items. The short … validity by significant correlations with dispositional optimism, general self-efficacy, hope, resilience and subjective well … original scales emanate from their vague theoretical-substantive validity, and call for future research to replicate these …