In addition, out of 27 occasions where no tag was detected (and a penalty of 180 mm was used as stated in Section 6), 17 occurred in the entry point represented by the element (1,5) of the matrix representation.
Moreover, out of the 27 occasions where the tag was detected but the simulated hand was partially inside the dangerous region, 9 occurred in that same entry point. This explains why the average value of the element (1,5) of the ‘‘Means’’ matrix in experiment 5 is negative.