In order to live and prosper in both natural and social environments, humans need to understand their origins, composition, characteristics, and life-sustaining processes. Education is a way to increase understanding of those worlds. The introduction discusses the common existence and interdependence of man and nature. Chapter 1 describes the…

The seven brief chapters of this paper advocate mixed-age grouping in schools and child care centers. Discussion defines mixed-age grouping and examines some limitations of single-age grouping. Research findings on social and cognitive aspects of mixed-age grouping are reviewed. Social aspects are discussed by considering in turn the following…