Moral theories on development (Piaget)
Piaget interested in the way children's thoughts about morality changed over time. he thought that at age 10 you develop the morality of cooperation. After that they decide what is acceptable and what is not. Also that they begin to learn the difference between right and wrong.
Cognitive theories on development (Piaget)
Piaget believed that kids actively try to explore and make sense of the world around them. In this theory he created 4 stages; The Sensorimotor stage, the Preoperational stage, the Concrete Operational stage, and the Formal Operational stage.
Prenatal theories on Development (Bowlby)
Bowlby created the "attachment theory". The attachment theory is that early caregivers, such as a mom, have major roles in a babies life. the baby develops an attachment to the caregiver because they give them comfort and meets their needs.
Psychosocial theories on Development (Erikson)
He believed that personality develops in a series of stages. Ego identity is a big part in this theory. Ego identity is the conscious sense of self that we develop through social interaction. Our ego identity always changes because of new daily interactions and experiences.