Optimism scale: Evidence of psychometric validity in two countries and correlations with personality

Autor: Coelho, Gabriel L.H., Vilar, Roosevelt, Hanel, Paul H.P., Monteiro, Renan P., Ribeiro, Maria G.C., Gouveia, Valdiney V.
Zdroj: In Personality and Individual Differences 1 November 2018 134:245-251
Databáze: ScienceDirect