Dalby, J T Hyperactive children's underuse of learning time: correction by stimulant treatment. [electronic resource] - Child development Dec 1977 - 1448-53 p. digital Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article ISSN: 0009-3920 Subjects--Topical Terms: AdolescentAttention--drug effectsChildHumansHyperkinesis--drug therapyMethylphenidate--pharmacologyPaired-Associate Learning--drug effectsPlacebosTime Factors