Category Archives: Statistics

Sailing the sea of uncertainty

Posted on May 5, 2021 by Gordon

If one thing has changed my view of stats in the last couple of years, it has been using simulation to explore how they pan out for 10.000 studies. Using simulation is an approach that Daniël Lakens uses a lot … Continue reading →

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Brain processes: A tale of two outcomes

Posted on August 19, 2019 by Gordon

Recently, I started thinking about the chances of finding that one process is involved in two separate functions. If it affects these functions completely independently and they also do not affect each other, it seems intuitive that finding both functions … Continue reading →

Posted in Experiment, Statistics | Tagged , , , , | Leave a comment

False-positive brain: Do you really have to correct for multiple comparisons in an analysis of variance?

Posted on August 3, 2018 by Gordon

If your stats class was anything like mine, you learned that using ANOVA instead of  t-tests is a sneaky way to avoid the multiple testing problem. I still believed this until very recently and a lot of my colleagues are … Continue reading →

Posted in Methods, Statistics | 5 Comments

Scaling the brain: Is it dishonest to truncate your y-axis?

Posted on April 6, 2018 by Gordon

So, the other day I responded to a tweet by Felix Schönbrodt. He called out a tweet by GESIS – Leibniz-Institut für Sozialwissenschaften that showed data on life satisfaction in Germany from 2010 to 2016 without a y-axis (below left). … Continue reading →

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