[Stress in students caused by mental effort].
D000223:Adaptation, Psychological; D000293:Adolescent; D001288:Attention; D002648:Child; D005859:Germany, East; D006801:Humans; D013315:Stress, Psychological / Q000150:complications*; D013334:Students / Q000523:psychology*
Zur Beanspruchung des Schülers durch geistige Belastungen.