Becker，W.C..Consequences of different kinds of parental discipline.In M.L.Hoffman & L.W.Hoffman（Eds.），Review of child development research，1964，Vol.1`（pp.169～208）.New York：Russell Stage Foundation
Bell，R.Q.，Weller，G.& Waldrop，M..Newborn and preschooler：organization of behavior and relations between periods.Monography of the Society for Research in Child Development，1971，36
