An Australian expert in psychology from the University of New South Wales, who has been researching human emotions, has found that being grumpy makes people think more lucidly.

来自澳洲新南威尔斯大学，研究人类情绪的心理学专家发现暴躁的脾气可以帮助人们更清晰地思考事情。

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But Professor Andy Smith, an expert in occupational health psychology at Cardiff University, says Rogers is missing the point.

但加的夫大学职业健康心理学专家安迪·史密斯教授认为，罗杰斯没有说到重点。

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It is a sentiment shared by Prof Cary Cooper, an expert in organisational psychology and health at Lancaster University Management School.

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Professor Lorraine Sherr, an expert in the psychology of parenting at University College London, told the BBC News website the findings were not surprising.

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Frost, professor of psychology and an expert on hoarding at Smith College in Northampton, Mass.

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