1. Heredity -heredity is the passing on of physical or mental characteristics genetically from one generation to another. four aspects of personality we inherit i.e, body build, physical attractiveness, physical defects and health conditions from our ancestors.
2. Culture -Culture can be defined as the ideas, customs and social behaviour of a particular people or society. We learn values and inclination from our culture and it shapes our behaviour. Behaviour defines our personality. Thus people born in different cultures tend to develop different types of personalities.
3. Family Background- Family is the smallest unit of society. Family is a group of people related by blood or marriage. The foremost influencer after heredity to shape personality of a baby is family.
4. Experiences in Life -Your personality might have kindness as a trait but repeated experience in your life where you felt cheated due to kindness can influence your this personality trait for future.
5. People We Interact With- “A Person is known by the company he or she keeps” is a common proverb. We interact with an array of people in our life like – neighbours, teachers, classmates, schoolmates, friends, cousin, colleagues, boss and even strangers etc. People who are alike us in attitude and value we persuade them and associate with them.