I feel if the parents need to have an argument they should do so away from the children. Yes,Arguments do have negative effect. If the arguments are minor, it is in fact a healthy thing for the child to be exposed to more than one point of view. Parents need to be conscious that the argument is aimed at letting the child know that there can be two sides to a coin. It is important that parents do not let the argument get out of hand.
Children have to know that arguments are a part of life.
Minor arguments or major arguments are one and the same. It is best for parents not to argue in front of their minor children. To argue on a particular subject is different. Child needs to necessarily understand that arguments are a part of life. Parents need to ensure that the arguments are not too emotional. and limit arguments to a form of expressing opinion than fighting on issues.