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Peer reviewed Peer reviewed
Science, 1977
Surveys 5,000 years of artworks, encompassing 1,180 scorable instances of unimanual tool or weapon usage. No systematic trends in hand usage were revealed. Right hand use averaged 93 percent of all cases regardless of which historical era or geographic region was assessed. (SL)
Descriptors: Behavioral Science Research, Educational Research, History, Left Handed Writer
Peer reviewed Peer reviewed
Gallagher, Michela; And Others – Science, 1977
Reports bita-Adrenergic antagonists injected into rats trained in a passive avoidance task produced time-dependent and dose-dependent decreases in retention of the task. Results were stereospecific and reversed by norepinephrine. (SL)
Descriptors: Behavioral Science Research, Cognitive Processes, Educational Research, Learning Processes
Peer reviewed Peer reviewed
Deutsch, Diana – Science, 1978
Reports that left-handed subjects, particularly those with mixed hand preference, significantly out performed right-handed subjects in a pitch recognition task. (SL)
Descriptors: Behavior, Behavioral Science Research, Educational Research, Left Handed Writer