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The Business of Politics
One of life’s great ironies in the Western world is the number of people who fervently declare the great success and capability of capitalist enterprise, and then turn around to lament the gross...
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All Effects are Real: Thoughts on Replication
I’ve been watching the recent debate about replication with interest, concern, and not just a little amusement. It seems everyone has their opinion on the matter (leave it to a field of scientists to...
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The Price of Precision
Back in May, Uri Simonsohn posted an article to his blog about studying effect sizes in the lab, with the general conclusion that the sample sizes needed for a precise enough estimate of effect size...
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Evaluating the R-Index and the P-Curve
Several years ago, Uri Simonsohn (along with Leif Nelson and Joe Simmons) introduced the psychology community to the idea of p-hacking, and his related concept for detecting p-hacking, the p-curve. He...
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Minding the Meta-Analysis
A little over a week ago, I had the opportunity to go to yet another meeting of the Society for Personality and Social Psychology (SPSP). It’s always a great time, with plenty of very interesting talks...
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You (Probably) Don’t Need to Test Your Data for Normality
Anyone who analyzes data knows (or should know!) the importance of not violating the assumptions of the tests one runs. And for common tests like t-tests, correlation, ANOVA, and regression, one of the...
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On Consent
Over the past few weeks, I’ve been thinking about consent. Feminists love to talk about it. And with good reason! It’s important, and it needs to be talked about. But at times, I have found the...
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The Final Conversation
As your face flickered onto my screen, I could see you looked tired. I had called you on Skype for Mother’s Day. You had just been talking with Jennifer, and Dad said you were very tired. But truth be...
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What Psychology Can Learn from Machine Learning
Over the past year or two I have been trying to delve into the world of machine learning, to angle myself for a job in data science. (Hire me!) Data science is a pretty broad discipline, and covers...
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Running Power Simulations with the Power of R!
As one of the resident “stats people” (as opposed to “regular people”) in my department, one of the most common questions I get asked is about power analyses. This is partly because more psychology...
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