SUBNORMAL • FREE-TRANSLATOR.COM • Definition of Subnormal

... the being to be taught—to know first what characteristics and tendencies, whether native or acquired, are known to a large majority of the children in the class. Leaving out of consideration the possible presence of subnormal children, the language used must be clear and simple enough to be comprehended by all; the great majority of the questions must be intended for all to find answers to; the stories, illustrations, incidents, pictures, and various ...

— Principles of Teaching • Adam S. Bennion