7Grove Wayne A.Wu Stephen. The Search for Talent: Doctoral Completion and Research Productivity of Economics [J]. American Economic Review. 2007, 97(2).
8CB Holmes. One Obvious Reason Doctoral Programs in Psychology Use the Graduate Record Examination [J]. Psychological Reports, 2003, 92(2).
9Gertler Judith M. Meltzer Allan H. Selecting Creative Ph.D. Candidates for Admission [J]. The JournalofExperimental Education, 1970,38(3).
10Bonifazi Deanne Zotter, Crespy Scott .Rieker Patrick. Value of a Master's Degree for Gaining Admission to Doctoral Programs in Psychology[J]. Teaching of Psychology, 1997, 34(3).
