Search Results for Tag: Andy Field

Free Chapter From Andy Field’s New Statistics Book

Will Zach find Alice, the missing love of his life, and save the world? Will he survive the bridge of death? Can he escape the zombie horde? Statistically speaking the odds don’t look good … Award-winning teacher and bestselling author Andy Field hasn’t just broken the traditional textbook mold with his new, stunningly illustrated introduction […]

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Bonferroni Correcting Lots of Correlations

omeone posed me this question: Some of my research, if not all of it (:-S) will use multiple correlations. I’m now only considering those correlations that are less than .001. However, having looked at bonferroni corrections today – testing 49 correlations require an alpha level of something lower than 0.001. So essentially meaning that correlations […]

Categories: Big Data, MentorSpace, Quantitative

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TwitterPanic, NHST, Wizards, and the Cult of Significance Again

****Warning, some bad language used: don’t read if you’re offended by that sort of thing**** I haven’t done a blog in a while, so I figured I ought to. Having joined Twitter a while back, I now find myself suffering from TwitterPanic™, which is an anxiety disorder (I fully anticipate to be part of DSM-V) […]

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Factor Analysis for Likert/Ordinal/Non-normal Data

My friend Jeremy Miles sent me this article by Basto and Periera (2012) this morning with the subject line ‘this is kind of cool’. Last time I saw Jeremy, my wife and I gatecrashed his house in LA for 10 days to discuss writing the R book that’s about to come out. During that stay […]

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Newspapers and 7 Core Statistical Concepts

There have been a few news stories recently about misunderstanding of statistics; especially confusing correlation with cause. For example, the Guardian ran this story/tutorial (http://t.co/AwCugVIV). Hot on the heels of that useful reminder, came a story linking unemployment in the UK to immigration from outside of the EU (http://t.co/7rTcFvbH). By the time the Daily Mail […]

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