S. No. Key Researcher(s) Key Proposition 1 B. L. Fredrickson, Tugade, Waugh, & Larkin, 2003 Increased positive emotion can build physical, intellectual, social and psychological resources 2 Garland et al., 2010 and Tugade & Fredrickson, 2004 Positive emotions can undo the effects of negative emotions (Garland et al., 2010); and promote resilience (Tugade & Fredrickson, 2004). 3 Isen, 1993 Positive emotions can broaden cognition and help people be accepting of a greater variety of behaviours 4 Danner, Snowdon, & Friesen, 2001; Levy, Slade, Kunkel, & Kasl, 2002; Xu & Roberts, 2010 Positive emotions can predict a longer life-span 5 Avey, Avolio, & Luthans, 2011 Leaders who are seen as more positive tend to have followers who are more positive 6 Sheldon. Cohen, Doyle, Turner, Alper, & Skoner, 2003, B. L. Fredrickson & Levenson, 1998 Positive emotional styles can help prevent and speed-up recovery from illness, including the common cold (Sheldon. Cohen, Doyle, Turner, Alper, & Skoner, 2003), and stress and heart disease (B. L. Fredrickson & Levenson, 1998). 7 Cotton & Hart, 2003; Hart, Caballero & Cooper, 2010 Increases in positive emotions are shown to have a more significant impact on employee wellbeing and a range of other people and performance-related outcomes, than a comparable reduction in levels of employee negative emotions