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Table 3.

Results of one-way t-tests and log-likelihood statistics for bipedal vs quadrupedal speeds and accelerations, using average speed and acceleration (over entire stride)

Speed
Acceleration
Speciestd.f.PLog likelihoodtd.f.PLog likelihood
C. caudicinctus –1.24(6) 0.131 –32.6 –3.45(6) 0.007 –12.6 
C. femoralis –0.32(5) 0.381 –9.7 –1.02(5) 0.178 –9.0 
C. nuchalis –1.29(7) 0.119 –11.4 –3.70(7) 0.004 –4.8 
R. adelaidensis –0.72(5) 0.252 –8.0 –2.52(5) 0.027 –3.5 
Speed
Acceleration
Speciestd.f.PLog likelihoodtd.f.PLog likelihood
C. caudicinctus –1.24(6) 0.131 –32.6 –3.45(6) 0.007 –12.6 
C. femoralis –0.32(5) 0.381 –9.7 –1.02(5) 0.178 –9.0 
C. nuchalis –1.29(7) 0.119 –11.4 –3.70(7) 0.004 –4.8 
R. adelaidensis –0.72(5) 0.252 –8.0 –2.52(5) 0.027 –3.5 

Significant values (P<0.05) are in bold type. Log-likelihood statistic shows the strength of the threshold; values closer to 0 denote less overlap

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