Well, making minimum payments has a negative impact because then you're carrying a debt which eats into your debt vs ability to borrow ratio which does have a big impact.
Paying off cards in full each month is the absolute best thing to do for your credit score (and saving money by not paying interest).
> making minimum payments has a negative impact because then you're carrying a debt
I think it would depend on your credit utilization %. If your credit utilization is too low, it may hurt your score. Of course if your credit utilization % is too high then it's an (even worse) issue. But who really knows? It's not like we have the formula.
Paying off cards in full each month is the absolute best thing to do for your credit score (and saving money by not paying interest).