Month: March 2020

The Shape of a Confidence Interval: Cat’s Eye or Plausibility Picture, and What About Cliff?

In brief: Curves picture how likelihood varies across and beyond a CI. Which is better: One curve (plausibility picture) or two (cat’s eye)? Which should we use in ITNS2? Curves can discourage dichotomous decision making based on a belief that

The ASA and p Values: Here We Go Again

The above announcement is from the February ASA (American Statistical Association) newsletter. (See p. 7 for the announcement and the list of 15 members of the Task Force.) Why won’t statistical significance simply whither and die, taking p<.05 and maybe

Not so Difficult? This Parrot ‘Gets’ Statistical Inference

If you have tramped or climbed in New Zealand’s high country, as I did for a couple of months many moons ago, you’ve probably spent hours watching kea exploring or ‘playing’. Kea are large parrots with wicked-looking beaks that are

What Psychology Teachers Should Know About Open Science and the New Statistics

Bob recently tweeted about this great paper of his, with Beth Morling: Morling, B., & Calin-Jageman, R. J., (2020). What Psychology Teachers Should Know About Open Science and the New Statistics. Teaching of Psychology, 47 (2), 169-179. doi: 10.1177/0098628320901372 First, here’s

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