Peter Lee, paediatric endocrinologist at Pennsylvania State University Hershey Children's Hospital reviews historical evidence for secular trends in the age of puberty over the past three decades
In an interview conducted with Erik Erikson in 1964 he discusses the eight stages of psychosocial identity
A brief overview of Erik Erikson's fifth stage of development, adolescence, in which the individual must resolve the ‘identity vs. role confusion’ crisis
The pressures of cliques, crowds, and conformity for adolescents
Teenagers talk about the role of social cliques in their lives
A description of Erik Erikson’s theory of development and identity
A description of James Marcia's theory of adolescent identity development