Stages of Psychosocial Development

Erikson’s Stages of Psychosocial Development

Freud believed that all humans possess two basic drives from birth that contribute to personality development and behavior: the drive for aggression (Thenatos) and the drive for pleasure (Eros). Thanatos, or destructive energy, expresses itself in aggression to others, as well as self-destructive ...

Causes Of Aggression: A Psychological Perspective

Jane Loevinger, a developmental psychologist, theorized that the ego goes through nine stages of development and most adults never make it very far past the first few.