A researcher conducted a study of 34 scientists (Grim 2008). He reported a correlation between the amount of beer each scientist drank per year and the likelihood of that scientist publishing a scientific paper. The correlation was reported as r= -0.55, p < 0.01. What does a negative correlation mean in this example? Is this relationship strong or weak?What does p< 0.01 mean in this result?What might happen to this correlation if you added one person in the sample who drank much more beer than other scientists and also published far fewer papers than other scientists?A popular press report about this article was headlined, “Suds seem to skew scientific success” Is such a causal claim justified?

Given that Number of scientists (n)=34 And the correlation between the amount of beer each…

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A researcher conducted a study of 34 scientists (Grim 2008). He reported a correlation between the amount of beer each scientist drank per year and the likelihood of that scientist publishing a scientific paper. The correlation was reported as r= -0.55, p < 0.01.

What does a negative correlation mean in this example? Is this relationship strong or weak?
What does p< 0.01 mean in this result?
What might happen to this correlation if you added one person in the sample who drank much more beer than other scientists and also published far fewer papers than other scientists?
A popular press report about this article was headlined, “Suds seem to skew scientific success” Is such a causal claim justified?

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