Skip to Main Content
Table 1.

The absolute bearings of the echinoids and the bearings relative to the location of the target

16° target26° target33° target
Absolute bearings    
   Number of echinoids tested 
   Length of mean vector 0.28 0.28 0.05 
   Mean bearing (deg.) 179 31 
   P-value (Hotelling T2n.s. n.s. n.s. 
Bearings relative to targets    
   Length of mean vector 0.26 0.08 0.46 
   Mean deviation from target (deg.) 134 266 
   P-value (Monte Carlo method) n.s. n.s. <0.0001 
16° target26° target33° target
Absolute bearings    
   Number of echinoids tested 
   Length of mean vector 0.28 0.28 0.05 
   Mean bearing (deg.) 179 31 
   P-value (Hotelling T2n.s. n.s. n.s. 
Bearings relative to targets    
   Length of mean vector 0.26 0.08 0.46 
   Mean deviation from target (deg.) 134 266 
   P-value (Monte Carlo method) n.s. n.s. <0.0001 

n.s. – not significant. Number of urchins tested was the same for both conditions.

Close Modal

or Create an Account

Close Modal
Close Modal