6Ferrari,J.R..,& Diaz-Morales,J.F.Prorastination:Different time ori entations reflect different motives.Journal of Researcb in Person ality,2007,41:707 -714.
7Ladd C E.Psychological Self-Help[EB/OL].[2004-12-10].http:// mentalhelp.net/p syhelp/,.
8Pychyl T A,Lee J M,Thibodeau R,et al.Five days of emotion:an experience sampling study of undergraduate student procrastination [J]Joumal of Social Behavior and Pemonality,2000,15(5):239-254.
9Schouwenburg, H..C.,Lay,C.H.,Pychyl,T.A.,& Ferrari.J.R.Counseling the prorastinator in academic settings. Washington,DC:American Psychological Assoiation,2004:3-48.
10Onwuegbuzie AJ.Academic procrastinators and perfectionistic tend encies among graduate students(special issue).J Soc Behav Pers 2000,15:103-109.