I recently read Andrew Gelman's description of these effect sizes from short studies. I think the idea was that if many small interventions created large positi

I recently read Andrew Gelman's description of these effect sizes from short studies. I think the idea was that if many small interventions created large positive effects then there could also be as many interventions on the negative side and we would not see any effects at all. Yet there are interventions that clearly create massive net +ve effects, one just has to do experiments which is repeatable and stands the test of time. Rhetorical Q: Does this IR thingy do that?