As a principle, things you can change are much more interesting for a literature review. For nootropics the change in IQ or other measure of even task-specific ability would be interesting to quantify. Similarily, personality traits and their payoffs are only interesting if is possible to change ones own personality.
As a principle, things you can change are much more interesting for a literature review.
Very true, it's easier to make things pan out that way; 'understanding to predict', as wedrifid suggests, is real and valid, but harder to be measure so you know you are not wasting your time. Conscientiousness may or may not be a thing you can change, see the last line.
The last prize, for the best literature review of spaced repetition, was moderately successful, inspiring a pretty good review of the academic literature on spaced repetition. I am interested in experimenting more with prizes, but I would like to get input other people's input: what are other good topics for future prizes?
The topic should be: