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. Author manuscript; available in PMC: 2014 Sep 8.
Published in final edited form as: Am J Primatol. 2011 Sep 6;73(11):1169–1175. doi: 10.1002/ajp.20984

Table 4.

Results of a Hierarchical Regression Analysis. Increment in variance explained by each predictor is shown, along with the F-value of the increment. Significant relationships (at the p<.05 level) are shown in bold. Degrees of freedom for each model are shown in the bottom row.

DV Model 1:
R2change for
GROUP SIZE 		Model 2:
R2 change
COMPOSITION 		Model 3:
R2 change for
MOVES 		Model 4:
R2 change for
ROOM
ATTACK R2=0.12, F=23.41 R2 =0.02, F=4.68 R2 = 0.01, F=1.59 R2=0.10 F=2.93
ENGAGE R2=0.10, F=20.17 R2 = 0.0001, F=0.03 R2 = 0.0001, F=0.0.02 R2=0.12, F=3.30
PURSUE R2 = 0.0004, F=0.08 R2=0.10, F=19.07 R2 = 0.014, F=2.81 R2=0.27, F=9.28
WARN R2 = 0.013, F=2.44 R2 = 0.003, F=0.49 R2 = 0.003, F=0.63 R2=0.18, F=4.70
THREATEN R2 = 0.013, F=2.36 R2=0.03, F=5.22 R2 = 0.003, F=0.49 R2=0.31, F=10.29
DF (1, 179) (1, 178) (1, 177) (8, 169)