TY - BOOK AU - Nelson B. Henry ED - National Society for the Study of Education. Committee on the Measurement of Understanding TI - The measurement of understanding: prepared by the Society's Committee T2 - Yearbook of the National Society fr the Study of Education, U1 - R 370.723 N227n PY - 1946/// CY - Chicago, Ill. PB - University of Chicago Press KW - Learning, Psychology of. Teaching N2 - ER -