[Success and failure in high-school. (I)].
D000124:Achievement; D000293:Adolescent; D002648:Child; D005069:Evaluation Studies as Topic; D005860:Germany, West; D006801:Humans; D011581:Psychological Tests; D013223:Statistics as Topic; D013332:Student Dropouts; D013334:Students
Erfolg und Misserfolg auf dem Gymnasium. (I)