Overall, around one in four parents of school age children taking part (27%) said they would do so more, but twice as many (54%) said they would not.
Ar y cyfan, dywedodd tua un o bob pedwar o rieni plant oedran ysgol oedd yn cymryd rhan (27%) y byddent yn gwneud mwy o hynny, ond dywedodd dwywaith gymaint (54%) na fyddent.