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. Author manuscript; available in PMC: 2014 Jun 2.
Published in final edited form as: Anim Cogn. 2012 Dec 6;16(3):435–443. doi: 10.1007/s10071-012-0584-9

Figure 1.

Figure 1

a) Schematic bird’s eye view of the experimental set up and the positions of the four cameras. b) Photograph showing the positions of the dog and the humans during the demonstration phase (Photo by A. Gaigg).