Question about stat points
so recently I was going to work at night to raise my stats, but I accidentally misclicked into the coffee one. since drinking Coffee gives you 1 stat point Charm while working gives you 1 for Charm and Courage, I tried to fast forward so I could reset it. before I managed to reset it, I was in class and answered the question right and got 1 more Charm point, which gave me a Rank Up. I then went back, worked part time instead of drinking coffee. but then when I answered the question right again, I didnt rank up.
Anyway, my question being how many stat points do you actually get from each activity? is there a spread of it somewhere because I couldn't find one. if it gives me more than 1 when it visually only shows one then thats something I'd like to be aware of