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. Author manuscript; available in PMC: 2008 Nov 10.
Published in final edited form as: Horm Behav. 2005 Nov 8;49(4):450–457. doi: 10.1016/j.yhbeh.2005.10.001

Fig. 1.

Fig. 1

(a) Percent of receptive females tested that responded to conspecific calls in the receptivity tests before and after 4 doses of HCG (in International Units, IU) and a control vehicle injection. The percent of females responding to the conspecific call before HCG administration was compared to the percent responding after HCG administration using Chi-squared goodness of fit; asterisk indicates significant pre- vs. post-injection responses. (b) Mean (±SE) difference in response time before and after HCG treatment during the receptivity tests as a function of HCG dose (in International Units, IU). Negative mean response times indicate faster responding after receiving treatment. Kruskall–Wallis test indicates a significant difference among doses (P < 0.001).