Marian Annett
Hand preference observed in large healthy samples: Classification, norms and interpretations of increased non?right?handedness by the right shift theory
University of Leicester
healthy children undergraduates observed hand preference measured hand skill representative samples collected years writing throwing observed 2844 participants drawn primary secondary higher levels education 12 actions standard questionnaire observed 2388 secondary school children undergraduates findings provide normative data comparison selected samples may classified variety ways including subgroups previously defined ordered relative hand skill differences sexes found certain subgroups rightmixedhanders undergraduates less variable hand skill asymmetry schoolchildren interpretations light rs theory show statistical effects comparisons selected groups likely small increased nonrighthandedness may caused several influences cerebral dominance natural pathological