A recent study of 447 UK psychology students found that those who took water into their exams scored 5% higher marks on average than those who didn’t, after allowing for coursework grade variations.
Water was felt to have:
- a physiological effect in improving thought processes
- a psychological effect in alleviating anxiety.
As the researchers concluded, 'supplementing with water is a really cheap way students and educators can help get better results'.
Richard Hall is chairman of Zenith International. You can also read his blog at BevBlog.
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