Adult playfulness and its relationship to humour , subjective happiness and depression : A comparative study of Hong Kong and Mainland China
Rapid assessment of well-being: The Short Depression-Happiness Scale (SDHS).
The happy personality: a meta-analysis of 137 personality traits and subjective well-being.
The role of positive emotions in positive psychology. The broaden-and-build theory of positive emotions.
The Work Preference Inventory: assessing intrinsic and extrinsic motivational orientations.
Mediators , Moderators , and Tests for Mediation