Christopher has a positive self-concept, takes pride in his baseball accomplishments, is known and well-liked for his cooperative participation with his peers, and has a well-developed sense of moral responsibility. According to Erikson, Christopher's sense of has developed.

industry

Explanation:

Industry vs. Inferiorty, according to Erikson, is a stage of development that occurs from ages 6-12. This is the age where children begin to look for approval from their friends and classmates and to take pride in their accomplishments. Industry and Inferiority are the negative and positive outcomes of this stage. If Christopher gets encouragement and succeeds in earning the approval and achievement he's looking for, it's called industry. If he isn't encouraged and can't make people approve of him it's called inferiority, because he feels inferior (less) than other people.

Since Christopher is proud of his achievements in basketball and is pretty popular this has the positive effect, industry.