When observing young children playing,how can one tell if they are friends or just ordinary playmates?

Question

Quizplus · Accepted Answer

When young children are friends, they tend to smile more and show greater cooperation and collaboration, compared to ordinary playmates where there is less of this social interaction. Conflict and competition over toys may occur with both friends and playmates, but the presence of positive social behaviors is a better indicator of friendship.

When Observing Young Children Playing,how Can One Tell If They