title: [Academic activities and achievement of schoolchildren in the upper grades with different instructional methods].
mesh_terms: D000124:Achievement; D000293:Adolescent; D006801:Humans; D011603:Psychophysiology; D013647:Task Performance and Analysis; D013663:Teaching / Q000379:methods*
vernacular_title: Uchebnaia aktivnost' i uspevaemost' shkol'nikov starshikh klassov pri razlichnykh metodakh obucheniia.