Erikson's sense of combines several developments of middle childhood: a positive but realistic self-concept, pride in accomplishment, moral responsibility, and cooperative participation with agemates.

I believe the answer is: Erikson's sense of industry
Industry in this context has a closer meaning to competence rather than a collection of manufacturers.started to find out whether we have a certain function in the current social group, and this conflict is caleld industry vs inferiority

Ibelieve its c not quite sure.