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Table 1 Multiple Correlation Analysis of the variables ‘age’, ‘time of day’, ‘SUL’, and ‘displacement distance’ (‘dist_log’)

From: Tadpole transport logistics in a Neotropical poison frog: indications for strategic planning and adaptive plasticity in anuran parental care

  Dist_log Age Time SUL
Dist_log ρ   −0.196 0.158 0.192
Sign. (two tailed)   0.081 0.140 0.082
N   80 89 83
Age ρ −0.196   −0.137 0.306
Sign. (two tailed) 0.081   0.173 0.003
N 80   100 95
Time ρ 0.158 −0.137   −0.084
Sign. (two tailed) 0.140 0.173   0.395
N 89 100   104
SUL ρ 0.192 0.306 −0.084  
Sign. (two tailed) 0.082 0.003 0.395  
  N 83 95 104  
  1. ρ (Spearman correlation coefficient), P (significance, two tailed), N (number of tested cases), significant correlations are given in bold.