- Industry vs. inferiority (5-12 yrs) :

Englisch: Erik Erikson 's Theory of Psychosocial Development stages
Industry vs. inferiority (5-12 yrs) refers to the 4th stage of Erik Erikson's theory of Psychosocial development when the the child become increasingly involved in situations where long, patient work is demanded of them. Those that rise to this challenge gain a sense of industry; those that do not feel inferior.