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Science has shown a clear correlation between high stress levels in workers and absenteeism ( ' , 旷工 ), reduced productivity, disengagement and high turnover.
出自-2016年12月阅读原文
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Prevalence of single mothers ( ' , where correlation is strong, but negative) 3.
出自-2015年12月阅读原文
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People write to ask me if there's correlation between academic intelligence and emotional intelligence.
出自-2013年6月听力原文
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Even the Harvard study did not prove a direct correlation but noted strong associations between exposure and risk of behavioral issues.
2015年12月六级真题（第一套）阅读 Section A
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Research has found that there is a direct correlation between lack of recovery and increased incidence of health and safety problems.
2018年12月六级真题（第一套）阅读 Section B
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Science has shown a clear correlation between high stress levels in workers and absenteeism(旷工), reduced productivity, disengagement and high turnover.
2016年12月六级真题（第一套）阅读 Section B
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The studies also ran up against many methodological challenges, the biggest of which centered on the old statistical saying, "Correlation does not equal causation."
2018年12月六级真题（第一套）听力 Section C