1. Gordon Allport is considered the pioneer of trait approach. 2. He proposed that individuals possess a number oftraits - which are dynamic in nature. 3. They determine behaviour in such a manner that an individual approaches different situations with similar plans. 4. The traits integrate stimuli and responses which otherwise look dissimilar. 5. introverts are people who prefer to be alone - tend to avoid others - withdraw themselves in the face of emotional conflicts - and are shy.