Tag Archives: test statistics

Statistics and significant digits

(My writing pet peeves – Part 1)

Image: completely fake “data”, but a real 1-way ANOVA; S. Heard.

I read a lot of manuscripts – student papers, theses, journal submissions, and the like.  You can’t do that without developing a list of pet peeves about writing, and yes, I’ve got a little list*.

Sitting atop my pet-peeve list these days: test statistics, P-values, and the like reported to ridiculous levels of precision – or, rather, pseudo-precision.  I’ve done it in the figure above: F1,42 = 4.716253, P = 0.0355761.  I see numbers like these all the time – but, really? Continue reading