Susie and Sally and their cousins Samuel and Stanley are playing "wedding." They are using lace curtains for the bride's dress, and each person has a role to play. This is an example of .

This is an example of sociodramatic play.

Explanation:

Sociodramatic play is seen as the most advanced type of play. It takes place when two or more children use their imaginations and, sometimes, props, costumes, and even settings to play. Children perform different roles in sociodramatic play, interacting and directing one another, creating a storyline. Since playing is an important part in knowledge construction, the advanced sociodramatic play has a vital role. It allows children to develop their characters and explore possibilities, being active participants and directors of the play. They learn about interactions and to find their own voice.