关于第一部分，Garfield 发现科学期刊的发刊频率和被引用量呈 正偏态（Positively Skewed），70%的引用来自少部分的重要期刊，可见许多出版的期刊是 不重要的，顶多只是有效传递科学资讯而已。
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If a distribution is positively skewed, which of the following is true?
如果是分布是右偏的，下面哪一条是正确的？
The distribution of seedling sprout height was nearly symmetric and platykurtic, but was positively skewed for the seedling plants.
萌生苗高度的分布接近于对称的低峰分布，实生苗的偏斜度均为正值。
Results The distribution of elementary school teachers subjective well being was right skewed, and the subjective well being correlated with the mental health positively.
结果小学教师的主观幸福感呈右偏态分布趋势，主观幸福感与心理健康存在显著正相关。
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