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Illustration of the study area. The leash tension metre along with a l.4-metre-long dog leash was connected to the fixed point (A), giving the dog an approximately 1.4-m maximal movement distance (C). The attractant was placed on the floor 50 cm forward of the 1.4-metre maximal movement distance (D) and the experimenter knelt next to the attractant (E). One camera was set next to the fixed point (B) and the other was set on the other side of the room (F).
