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Table 1 Effects of treatment ('novel' vs. 'familiar partner'), time (three successive trials), and their interaction on various measures of mating delay and copulation duration.

From: No effect of mate novelty on sexual motivation in the freshwater snail Biomphalaria glabrata

Source df SS F P R2 (adj.)
Delay until 1st contact      
   Model 69 37.743 0.919 0.6459 -0.029
   Treatment 1 1.672 3.170 0.0797  
   Time 2 1.994 1.676 0.1912  
   Time*treatment 2 0.495 0.416 0.6605  
   Individual(treatment) 64 33.757 0.887 0.7009  
   Error 128 76.160    
Delay until 1st penis eversion      
   Model 69 31.732 1.193 0.1946 0.063
   Treatment 1 0.340 0.743 0.3919  
   Time 2 1.988 2.579 0.0798  
   Time*treatment 2 0.358 0.464 0.6299  
   Individual(treatment) 64 29.251 1.186 0.2075  
   Error 128 49.345    
Delay until intromission start      
   Model 69 18.425 1.178 0.2114 0.059
   Treatment 1 0.029 0.131 0.7186  
   Time 2 3.286 7.250 0.0010  
   Time*treatment 2 0.503 1.110 0.3328  
   Individual(treatment) 64 14.131 0.974 0.5382  
   Error 128 29.009    
Delay until intromission end      
   Model 69 12.624 1.292 0.1066 0.093
   Treatment 1 0.017 0.107 0.7451  
   Time 2 1.940 6.848 0.0015  
   Time*treatment 2 0.391 1.382 0.2548  
   Individual(treatment) 64 9.956 1.099 0.3231  
   Error 130 18.127    
Duration from 1st contact to penis eversion      
   Model 69 48.874 0.890 0.6999 -0.040
   Treatment 1 0.143 0.192 0.6629  
   Time 2 0.838 0.527 0.5918  
   Time*treatment 2 0.116 0.073 0.9298  
   Individual(treatment) 64 47.790 0.939 0.6053  
   Error 127 101.047    
Duration from 1st contact to intromission      
   Model 69 28.061 1.368 0.0641 0.114
   Treatment 1 0.001 0.002 0.9669  
   Time 2 6.946 11.682 <0.0001  
   Time*treatment 2 0.621 1.044 0.3549  
   Individual(treatment) 64 19.672 1.034 0.4295  
   Error 128 38.055    
Intromission duration      
   Model 69 13.664 1.187 0.2017 0.061
   Treatment 1 0.002 0.008 0.9273  
   Time 2 0.104 0.312 0.7326  
   Time*treatment 2 0.114 0.340 0.7121  
   Individual(treatment) 77 13.473 1.261 0.1342  
   Error 128 21.361    
  1. The factor individual (nested within treatment) represents the within subject effect of the repeated measures ANOVA.