The classic study of how play develops in children was carried out by Mildred Parten in the late 1920s at the Institute of Child Development in Minnesota.

• 游戏是一件需要很认真对待和研究的事情，开拓者心理学家利维.；沃格斯格认，在学前阶段，游戏是孩子学习历程的开始。