• openAccess   Happiness and Optimism Interventions at Work: Gender Differences 

      Sanín Posada, Alejandro; Salanova, Marisa; Vera-Villaroel, Pablo Open Access Library (2018)
      The aim of this quasi-experimental study was to analyze the changes derived from happiness and optimism interventions in 12 groups of employees chosen at random in two Colombian companies. For the happiness intervention, three ...