Erikson's psychosocial theory includes the stages of trust vs. mistrust, autonomy vs. shame and doubt, initiative vs. guilt, and industry vs. inferiority.
According to Freud, the oral stage in psychosexual development occurs from birth to 12 - 18 months, where the baby's chief source of pleasure involves mouth-oriented activities such as sucking and feeding.
Freud also identifies the infantile genital stage from 12 - 18 months to 3 years, where the genital region becomes the zone of gratification and the child becomes attached to the parent of the other sex and later identifies with the same-sex parent.
Adolescence, which spans from puberty to 18 years, typically sees rapid growth and sexual maturation, with girls gaining 10 - 11 inches and 50 - 75 lbs, and boys gaining 10 - 11 inches and 50 - 75 lbs.
According to Erikson, the oral stage in psychosocial development occurs from birth to 12 - 18 months, where the baby's chief source of pleasure involves mouth-oriented activities such as sucking and feeding.
Marcia's Identity Statuses theory includes eight specific intelligences: Linguistic, Logical-mathematical, Spatial, Musical, Kinesthetic (body), Interpersonal, Intrapersonal, and Naturalistic.
Lev Vygotsky's Socio-Cultural Theory suggests that cognitive development is facilitated by cultural products and social interaction with adults and more learned peers.