The 100% CI

Preamble: This shortie is my attempt to come up with an example that makes the problem underlying immortal time bias as obvious as possible.

When psychological researchers investigate binary outcomes,[1]For example, hit vs. miss, correct vs. incorrect, diagnosis vs. no diagnosis, donated vs. didn’t donate, went on a date vs. sorry you’re just not her type. they routinely report odds ratios to…

Header image: Moderate cross-country slopes (Photo: By Erik W.

A bug bounty module in grants would give criticism a leg up The Soviet Union was good at producing shoes.

Romance could be so simple if only we were two-dimensional.

Just to cause yourself more problems, you seek for something.

Corrigendum: There was an embarrassing mistake in the SEM part of the original version of this blog post which has now been fixed.

Correlation may not imply causation, but let’s just ignore that for a second.

In some fields, researchers who end up with time series of two variables of interest (X and Y) like to analyze (reciprocal) lagged effects between them.

Mediation analysis has gotten a lot of flak, including classic titles such as “Yes, but what’s the mechanism?