Ruth measured the ability of 12 healthy young adults to concentrate on a visual task before and
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Question:
Ruth measured the ability of 12 healthy young adults to concentrate on a visual task before and after drinking three glasses of wine. The mean difference between the scores measured in the two conditions was 7.3 with a standard error of 1.9. Given these results, can she conclude that drinking wine affects concentration? Why?
Related Book For
Microeconomics An Intuitive Approach with Calculus
ISBN: 978-0538453257
1st edition
Authors: Thomas Nechyba
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