Their opportunity to participate is less threatened. Also structure settings to include activities which promote cooperation. Puzzles, blocks, building sets, several of the same toy, old clothes, hats, shoes, large pieces of paper for community drawing are all good choices which encourage children to talk as they play. Books are another device for promoting sharing. Promoting sharing within a story provides a good role model for children.
Many stories contain examples within the story.
Using a story is less threatening for the child who might be singled out for inappropriate behavior. Adult Involvement Devise learning environments which make sharing a necessity. Settings requiring sharing provide children with the chance to respect the needs of others. Avoid the temptation to show favoritism. Children are quick to detect that they are not being treated equally.