［156］Portes，P. R.，Cuentas，T. E.，& Zady，M. F. （2000）. Cognitive socialization across ethnocyultural contexts: Literacy and cultural differences in intellectual performance and parent-child interaction. Journal of Genetic Psychology，161，1，79-98.
［157］Portes，P. R.，Zady，M. F.，& Dunham，R. M. （1998）. The effects of parent’s assistance on middle school students’ problem solving and achievement. The Journal of Genetic Psychology，159，2，163-178.
