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Fleisher, Lisa. "'Good Behavior' Still Pays Off." Wall Street Journal. 25 Sep. 2013: A.19. SIRS Issues Researcher. Web. 30 May. 2014.
Mathews, Jay. "Maybe It's Time to Consider Offering Students Money for Good Grades." Washington Post. 31 Mar. 2014: B.2. SIRS Issues Researcher. Web. 30 May. 2014.
Mathews, Jay. "Fretting Over Cash Incentives for Students." Washington Post. 13 Dec. 2012: B.2. SIRS Issues Researcher. Web. 30 May. 2014.