When a child insists they brushed their teeth but the toothbrush is bone dry or swears that they did not eat the last cookie despite the chocolate smeared on their face, parents often feel frustrated ...

Few parenting moments frustrate us faster than catching our child in a lie. The chocolate-smeared face insisting, “I didn’t eat that brownie!” The fourth grader who promises homework is finished when ...

You walk into the kitchen and see your kid playing video games on her tablet. "Did you feed the dog?" you ask. "Yup," she says, never looking up. A quick glance at the empty food and water bowls tells ...

One of the hardest parts of parenting is being a disciplinarian who keeps kids on the straight and narrow. Whether it's teaching them not to talk back or not to break any household rules, children are ...

This week in the Wall Street Journal, Shirley Wang reports that it's possible to plot the cognitive development of children along an axis of how well they can lie. As the brains of children mature, ...