Lying in childhood is common and developmentally patterned, not a sign of moral failure or bad character.

Children lie because of fear, shame, or self-protection, not because they intend to deceive or manipulate.

How parents respond to lying shapes honesty more powerfully than punishment or lectures ever will.

Lying is a phenomenon that challenges parents and teachers alike. Children, especially young children, have a strong sense of right and wrong, and when they notice that a peer is violating shared expectations, they often take issue. They can also become resentful, because these violations of trust tend to be experienced as deeply personal by children.

And surely they personalize when they feel violated by a peer who misrepresents reality, who dupes them and leads them to believe something that is not true. In some cases, a child may even lead a classmate or peer to do something they would not otherwise have done or thought without the deception. Children who are misled may feel resentful or manipulated. Being misled can feel like a personal breach, one in which reality has been distorted and trust undermined.

What often surprises parents is how early, and how commonly, it appears in childhood.

Researchers have found that children start lying as early as 2 years old. These early lies are typically unsophisticated and easy to detect. Research suggests that approximately 30 percent of 2- to 3-year-olds lie, about 50 percent of 4- to 6-year-olds have lied, and among children ages 7 to 12, roughly 80 percent report having lied. By adolescence, around age 13 and beyond, lying is nearly universal.

This makes lying something of a double-edged sword. Although it is a behavior rooted in deception, it also signals, particularly in children, a growing level of........

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