The authors' data contain inter- and intra-class variations in experiments to which students in a principles of microeconomics course were exposed. These variations allowed the estimation of the effect on student achievement from the experimental treatment generally, as well as effects associated with participation in specific experiments. The…

Developed through a study of concepts and subconcepts included in a number of instructional materials and evaluated by state education agency personnel and homemaking teachers, this framework is designed to aid the teacher in planning local homemaking programs and in developing local curriculum guides. Vocational home economics in Texas consists…