Mistakes by teachers of statistics

#1
A while ago I came across a paper that claimed many statisticians (or maybe it was teachers of statistics in universities) did not under some basics of statistical inference, and it went on to give several multiple choice questions and described the various mistakes often made. I don't recall the details now, but they may have been about p-values, confidence intervals, hypothesis testing....

...hopefully I didn't just dream this ! Does anyone know the paper I'm referring to ? A link would be most helpful....

Sorry that this is very vague !!