This lecture covers various models of Emotional Intelligence (EI), including the Trait Model by Petrides, the Mixed Model by Daniel Goleman, and the Reuven Bar-On Model of Social and Emotional Intelligence. The lecture also discusses major EI assessment tools like the EQ-i™, EQ-360™, EQ-i: YV™, and SSEIT, highlighting how they measure emotional and social intelligence in individuals across age groups.