The document discusses several models of emotional intelligence, including ability-based, trait-based, and mixed models. The ability-based model proposed by Mayer and Salovey views EI as involving four abilities: perceiving emotions, reasoning with emotions, understanding emotions, and managing emotions. The trait EI model proposed by Petrides measures EI through self-reported traits rather than abilities. Goleman's mixed model focuses on EI competencies in the areas of self-awareness, self-management, social awareness, and relationship management. Tests discussed include the MSCEIT, which measures the four ability branches, and the TEIQue, which measures trait EI through self-report.