Only check if you have a monster hand or definite win, otherwise I'd raise to root out the limpers. If you have a monster hand let someone else bet or bluff. Chances are, someone will if theres more then 3 people in the pot. If you have high pair and nothing else, you probably have to root out the people looking for draws though.
Example: You have 9 A offsuit while the flop is 2 4 9. The two and the 4 being suited.
I think you gotta raise a good amount to root out the fishers. You can almost safely say that you have the board won right now if noone has raised preflop. With no preflop raises it is unlikely there is a high pocket pair. However, the blinds could have limped in with trash, but a two pair is still unlikely. Otherwise, you have high pair and high kicker. You have to try to eliminate the people that are looking for the flush or straight. Or at least make it as costly as possible for them. If they call, odds
are you still have them beat with turn card. If they dont get their flush/straight, reraise another larger amount.