Loehlin J C, Sharan S, Jacoby R
Behav Genet. 1978 Jan;8(1):27-41. doi: 10.1007/BF01067702.
Members of 192 families in the Tel Aviv area were given a battery of eight cognitive tests focusing on spatial measures but sampling verbal, numerical, and perceptual speed domains as well. The patterns of parent-child and sibling correlations gave very weak evidence, if any, for the operation of the X-linked recessive gene postulated by Stafford and others to affect performance on tasks involving spatial visualization. An analysis of male and female score distributions provided results more favorable to the X-linkage hypothesis, at least for the child generation, although suggesting that X linkage does not explain the whole male-female difference in performance on spatial tasks.
特拉维夫地区192个家庭的成员接受了一系列八项认知测试，这些测试主要关注空间测量，但也对语言、数字和感知速度领域进行了抽样。亲子和兄弟姐妹之间的相关性模式几乎没有为斯塔福德等人假设的影响涉及空间可视化任务表现的X连锁隐性基因的作用提供任何证据。对男性和女性分数分布的分析提供了更有利于X连锁假说的结果，至少对于儿童一代来说是这样，尽管这表明X连锁并不能解释空间任务表现中男性和女性的全部差异。
