[runamuck]

Related: Scott Alexander did a survey and provided analysis for Nootropic effectiveness - https://www.astralcodexten.com/p/nootropics-survey-2020-resu...

[trehalose]

It appears he provided an analysis for subjective perception of effectiveness of various nootropics. I don't see much objective measurement of cognitive performance at all here. This kind of survey has value, but I think to call it "analysis for effectiveness" is very misleading.

[andrewla]

This post not only directly references that, but even incorporates the SSC/ACT data into the dataset.