[CONTRIBUTION TO AN EXAMINATION OF TECHNICAL KNOWLEDGE IN PUBLIC SCHOOL CHILDREN AND APPRENTICES].
D000293:Adolescent; D002648:Child; D006801:Humans; D019359:Knowledge; D011581:Psychological Tests; D011588:Psychology, Educational; D012574:Schools
ADOLESCENCE; CHILD; PSYCHOLOGICAL TESTS; PSYCHOLOGY, EDUCATIONAL
BEITRAG ZUR UNTERSUCHUNG DER TECHNISCHEN KENNTNISSE BEI VOLKSSCHULKINDERN UND LEHRLINGEN.