It would work for personality but will cause another problem…
It might cause the reader to always pick alike options to increase their focused stats and it will end up one optioned game for them. It’s really hard to adjust stats, i know…
The best way i can think of right now to prevent this, is having down/upsides of the choices. For example if you stand and watch, someone might get killed so reader would have to pick between the consequences and the stat increase.
Also i suggest reading this Design Guideline for a better understanding of stats 
EDIT: And the discussion below that 