Watch more child discipline videos -- www.youtube.com/watch?v=4tBbL7VcNh0 Subscribe to the Parents Magazine channel - www.youtube.com/channel/UCvw7rZIoXbNTFBc987hjS6Q?sub_confirmation=1 Discipline is about teaching, since children learn differently at every age, it is an important factor in how to discipline a child. One and two-year-olds need physical limits, but for three and four-years-olds, a verbal limit should be enough. Start disciplining children at nine-months old. For babies, the best response is re-direction. Remove the temptation or redirect your child to another activity. Discipline for toddlers requires giving choices and teaching consequences. For preschoolers, catch them being good and ignore bad behavior. Try these parenting tipsto make disciplining children easy and effective!