Why Preschoolers Need Limits JoAnne Solchany, Ph.D. - June 1, 2007 - Ages & Stages, Parenting, Preschoolers Why Preschoolers Need Limits JoAnne Solchany, Ph.D. - June 1, 2007 - Ages & Stages, Parenting, Preschoolers Many of us want to indulge our children with gifts and leniency. But that’s not what kids need.