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调查了海南居住较为集中的黎、苗、汉族(共3207人)扣手、交叉臂、惯用手等人类左右不对称行为特征。结果显示 :(1)扣手、交手臂、惯用手三型3个民族的出现率均为R>L型 ,惯用手的R型出现率远较其他两型高 ,呈高度显著性差异 ,(P<0 01)。(2)扣手、交叉臂出现率与性别无关。(3)惯用手R型出现率苗族女性明显高于男性 ,差异显著(P<0 05)。三民族总和出现率为89 06 % ,是国内外属最低的。(4)扣手与交叉臂、扣手与惯用手 ,交叉臂与惯用手之间均具有相当明显的相关性。
Hainan has relatively concentrated living Li, Miao, Han (a total of 3207 people) hand, cross arm, dominant hand and other human characteristics of asymmetric behavior. The results showed that: (1) The occurrence rates of R, L, R, and K among the three ethnic groups including clavicle hand, hand arm and dominant hand were all R> L type. The R type appearance rate of dominant hand was much higher than that of the other two types. P <0 01). (2) hand buckle, cross arm appearance rate has nothing to do with gender. (3) R-type prevalence of dominant hand Miao women were significantly higher than men, the difference was significant (P <0 05). The sum of the three ethnic groups is 89.06%, which is the lowest at home and abroad. (4) The clasps and the cross arms, the clasps and the dominant hands, the cross arms and the dominant hands all have quite obvious correlations.