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. Author manuscript; available in PMC: 2018 Oct 1.
Published in final edited form as: J Econ Behav Organ. 2017 Aug 24;142:378–395. doi: 10.1016/j.jebo.2017.08.010

Figure 8. Goals vs. control: Average total contribution rate in excess of October 15, 2010 total contribution rate.

Figure 8

Gray circles, hollow circles, and hollow diamonds indicate a difference from the control in that pay period that is significant at the 10%, 5%, or 1% level, respectively.