The new study suggests that competition for rank may have been a key factor in the evolution of this intelligence.

新的研究表明，对地位的竞争可能是智力的进化的一个关键因素。

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This theory includes the following main viewpoints: essential factor shortage, poor intelligence, poverty culture, environment factors, quality poverty, social rejection, ability poverty, etc.

主要有要素短缺论、智力低下论、贫困文化论、环境成因论、素质贫困论、功能贫困论、社会排斥论、能力贫困论等观点。

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The main purposes of this study were to explore the factor structure of kindergarten principal's practical intelligence and its correlation with individual performance.

本研究旨在探析幼儿园园长实用智能的因素结构及其与个人表现的关系。

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Another factor is that the United States has not developed the sort of intelligence infrastructure in this region that it painstakingly built up in the tribal areas of Pakistan and Yemen.

CNN: Algeria attack changes terror landscape in North Africa