The procedure was as follows: (1) handler 2 walked the test dog to the evaluation area where the real or the fake dog was already present in the opposite corner with handler 1; (2) handlers allowed both the test and the real/fake dog to pass each other approximately 1 m apart on the leash, without touching; (3) dogs were allowed to once again walk toward each other and meet in the center of the evaluation area for 20 s, direct contact was allowed, including any natural circling from head to rear, on a leash as loose as possible;