Lying is common at age two, becomes the norm by three

They're too young to need to fib about lipstick on their collar or even their unfinished homework but a new study finds the majority of three-year-olds are already practising liars. Deception in very young children has been documented before, but this is the first time it has been systematically tested in a laboratory. Angela Evans and Kang Lee tested 65 two- and three-year-olds (28 girls) individually in a quiet room, part of which involved them being told not to peek at a toy. Despite this […]