Introvert and Extrovert
Extrovert Personality: Individuals possessing this personality type are social, practical, appear affectionate, informal, are good conversationalists, are active and lively. They are habitually outgoing, venturing forth with confidence into the unknown. They prefer outdoor activities, tend to be essentially social - participating in various social and personal activities. They appear full of energy and tend to involve themselves in a variety of pursuits. They are generally good leaders of big and small groups; they apparently live in the present, concentrating on current activity. These individuals adapt easily to a given situation and are particularly influenced by objects and events in the external world.
Introvert Personality: Individuals who prefer to remain isolated or in the company of very few people, can be categorized as ones who have an introverted personality. Introvert people are more prone to thinking, and are thus involved in creating novel entities. They have keen interest in their own psyche. They are formal, idealistic, less social, talk less and brood about the future. They involve themselves minimally in social activities or in those activities which demand their active, direct interaction with many people. They remain passive and avoid being in the centrestage, or recognition of any kind. They are shy and inscrutable. They may appear to be dull and devoid of enthusiasm to others. They prefer indoor activities, to outdoor ones.
Ambivert Personality. These individuals show traits of introverted personality in some situations and in others, they behave as an extrovert personality type. This classification of ambivert personality was given by psychologist Eysneck in 1947.