The document discusses Howard Gardner's theory of multiple intelligences which proposes that intelligence exists in several distinct forms rather than just one general cognitive ability. It outlines several types of intelligence identified by Gardner including musical, bodily/kinesthetic, interpersonal, linguistic, logical/mathematical, and spatial. The document also discusses Robert Sternberg's theory of practical intelligence involving adapting to and shaping one's environment to achieve goals. Additionally, it covers Daniel Goleman's work on emotional intelligence which involves self-awareness, managing emotions, motivating oneself, empathy, and relationships. The theory of multiple intelligences is generally accepted and allows instructors to design lessons catering to different learner types.