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. Author manuscript; available in PMC: 2010 Aug 1.
Published in final edited form as: Soc Sci Med. 2009 Jun 18;69(3):469–474. doi: 10.1016/j.socscimed.2009.05.029

Figure 4. Average number of nodes reached with 100 times MC simulation as probability of recruitment is increased.

Figure 4

Key:

i = initial number of randomly-selected starting individuals from within the observed network

c = Number of recruitment coupons given (i.e. the maximum number of peers that a participant can subsequently recruit for the simulation)

p = Probability that a peer will participate when asked (i.e. the recruitment incentive’s effectiveness)