Houghton Mifflin Company, 1942 14 x 21, 189 pp., 54 tables and 3 figures, cartonnage, éditeur, Bon état
Revision procedures, distribution of I.Q.'s, analysis by age-grade - Urban-rural occupational, and sibling relationships, Sex differences - Data of reliability, spread of individual performances - Per cents passing items by age, factor analyses, special s