We’re delighted to release precision for planning (PfP), the sixth component of esci web. This completes esci web as currently planned. To access, click esci web and then the precision for planning button. Please let’s know how you like it, …

What N Will Give Me the Precision I Want? Gordon’s New Pictures Tell All Read more »

I (Bob) love large-scale collaborative projects (Many Labs, Many Babies, Psych Science Accelerator, etc.).  I like the teamwork involved.  I like the careful deliberation over study materials.  I like the large sample sizes and the hopes of investigating how psychological …

Mega Studies Need Inference by Interval (or: Point Nulls are Especially Pointless when N is Large) Read more »

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

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 …

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