Annett M, Manning M
Department of Psychology, University of Leicester, U.K.
Neuropsychologia. 1990;28(1):61-9. doi: 10.1016/0028-3932(90)90086-4.
Relationships between arithmetic ability, hand preference and hand skill were investigated in a general population sample of schoolchildren, aged 9-11 years. Incidences of non-right-handedness were highest in the children best at arithmetic and fell progressively through average and below average groups. Strong effects were found for hand skill; level of ability declined linearly from left to right across the R-L continuum in both sexes. Strong dextrality was associated with poor left hand skill and not superior right hand skill. Arithmetic ability was positively associated with left hand skill but not with right hand skill.
在一个9至11岁学童的普通人群样本中，研究了算术能力、利手偏好和手部技能之间的关系。在算术能力最强的儿童中，非右利手的发生率最高，在平均水平和低于平均水平的组中则逐渐下降。发现手部技能有显著影响；在R-L连续体上，两性的能力水平从左到右呈线性下降。强烈的右利手与较差的左手技能相关，而不是与优越的右手技能相关。算术能力与左手技能呈正相关，与右手技能无关。
