Now in middle childhood, joshua understands that he is better at soccer than his friend, but worse at basketball. this illustrates that social comparison has enabled him to develop a more self-concept.

Strong, because he has a clear understanding of what his capabilities are after making a comparison between himself and his friend, and has developed a strong self-concept that he is better at soccer, but worse at basketball, which he has not had a concept of before.

He developed a strong self- concept. Self-concept is defined as an understanding of one’s self based on your experiences, thoughts about one’s self and how one label one's self in different circumstances. Joshua has a strong self-concept since he has a strong sense of purpose and he is committed to improve. He does his best for excellence, not for perfection.

So you know what happened and so it doesn’t repeat it’s self