Discusses distinctions between the formal, overt curriculum and the hidden or implicit curriculum that inculcates values and expectations not openly acknowledged. Before 1900, schools stressed homogeneity, efficiency, and obedience to ensure students' smooth transition from childhood to life in an industrialized society. These values became hidden…

The study evaluated the effectiveness of teaching three teachers of the severely handicapped to use four modified incidental teaching procedures: (1) giving students opportunities for choice; (2) blocking access to materials or events, (3) placing desired materials out of reach, and (4) offering students objects out of context. (Author/DB)