This theory centres around two types of intelligences. One type represents the comprehension and organisation of acquired knowledge and skills; the other type represents reasoning ability which is the extent of which acquired knowledge/skills is used to solve problems or create solutions.

This theory posits that different individuals have different intellectual strengths, and that intelligence can be categorised into nine distinct types; each type being represented as the ability to excel or learn in a particular way.

This theory centres around two factors which contribute to intelligence. One factor is present and exerted in all tasks and activities and represents the ability to reason and solve problems; the other factor represents ability to excel in specific areas of a task.