Modern children were considerably less innocent than parents and the larger society supposed, and postmodern children are less competent than their parents and the society as a whole would like to believe. . . . The perception of childhood competence has shifted much of the responsibility for child protection and security from parents and society to children themselves.
David ElkindDecades of research has shown that play is crucial to physical, intellectual, and social-emotiona l development at all ages. This is especially true of the purest form of play: the unstructured, self-motivated, imaginative, independent kind, where children initiate their own games and even invent their own rules.
David ElkindFriendships in childhood are usually a matter of chance, whereas in adolescence they are most often a matter of choice.
David Elkind