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. Author manuscript; available in PMC: 2015 Apr 1.
Published in final edited form as: Horm Behav. 2014 Mar 1;65(4):329–339. doi: 10.1016/j.yhbeh.2014.02.010

Figure 4.

Figure 4

Differences in behavior in males with and without nest boxes (referred to as Owners and Non-owners, respectively), and with and without T increases. A) Log (Complete Songs+1), a measure of song rate. B) Average Bout Length, a measure of song quality only available for singing birds. For this analysis, only owners with and without T increases were compared (using Student’s T test) due to low sample sizes in other groups. C) Log (Displacements+1), a measure of agonistic/territorial behavior. Mean + SEM. * indicates p values of <.05 for post hoc comparisons run after significant main effects or interactions were identified. See text for main effects and exact p values.