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. Author manuscript; available in PMC: 2016 Apr 11.
Published in final edited form as: Proc Int World Wide Web Conf. 2015 May;2015:34–44. doi: 10.1145/2736277.2741120

Figure 3.

Figure 3

Whether or not the first project is successful is strongly correlated with retention for both teacher-referred and site donors. Donors whose first project succeeded are 5% more likely to return and donate again. Note: The error bars in all plots represent 95% confidence intervals on the corresponding mean estimate.