7Forgarty,R.,Perkins,D.,and Barell,J.The Mindful School:How to Teach for Transfer.Palatine,IL:IRI/Skylight Publishing,1991.
8Edwin S.Ellis etal.,(1994),Research synthesis on effective teaching principles and the design of quality tools for educators,A commissioned paper written for the center for advancing the quality of technology,Media,and materials,Yhe University of Oregon.
